Module Communications Network: Diagnosis — Ford Escape III (2012-2015)

DTC Chart

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in SERVICE INFORMATION for information about these practices.

DTCs	Description	Action
U0004	High Speed CAN Communication Bus (+) Low: No Sub Type Information	A HS-CAN fault was present at a point in time. The fault is not currently present since the module is communicating with the scan tool. CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.
U0005	High Speed CAN Communication Bus (+) High: No Sub Type Information	A HS-CAN fault is present but the network may still be functional at a degraded level. One or more modules may not communicate and may not be sending or receiving messages. GO to PINPOINT TEST Z .
U0007	High Speed CAN Communication Bus (-) Low: No Sub Type Information	A HS-CAN fault is present but the network may still be functional at a degraded level. One or more modules may not communicate and may not be sending or receiving messages. GO to PINPOINT TEST Z .
U0008	High Speed CAN Communication Bus (-) High: No Sub Type Information	A HS-CAN fault was present at a point in time. The fault is not currently present since the module is communicating with the scan tool. CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.
U0009	High Speed CAN Communication Bus (-) Shorted to Bus (+): No Sub Type Information	A HS-CAN fault was present at a point in time. The fault is not currently present since the module is communicating with the scan tool. CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.
U0013	Medium Speed CAN Communication Bus (+) Low: No Sub Type Information	A MS-CAN fault is either currently present or was present at a point in time. The BCM can report this DTC while a fault is present because the BCM communicates with the scan tool on the HS-CAN. If no MS-CAN modules communicate, GO to PINPOINT TEST AA . If all MS-CAN modules currently communicate, CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.
U0014	Medium Speed CAN Communication Bus (+) High: No Sub Type Information	A MS-CAN fault is present but the network may still be functional at a degraded level. One or more modules may not communicate and may not be sending or receiving messages. GO to PINPOINT TEST AA .
U0016	Medium Speed CAN Communication Bus (-) Low: No Sub Type Information	A MS-CAN fault is present but the network may still be functional at a degraded level. One or more modules may not communicate and may not be sending or receiving messages. GO to PINPOINT TEST AA .
U0017	Medium Speed CAN Communication Bus(-) High: No Sub Type Information	A MS-CAN fault is either currently present or was present at a point in time. The BCM can report this DTC while a fault is present because the BCM communicates with the scan tool on the HS-CAN. If no MS-CAN modules communicate, GO to PINPOINT TEST AA . If all MS-CAN modules currently communicate, CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.
U0018	Medium Speed CAN Communication Bus (-) Shorted to Bus (+): No Sub Type Information	A MS-CAN fault was present at a point in time. The fault is not currently present since the module is communicating with the scan tool. CLEAR the DTC. REPEAT the network test with the scan tool. VERIFY the integrity of the connectors and wiring. Refer to SYSTEM WIRING DIAGRAMS - Module Communications Network for additional information.

BODY CONTROL MODULE (BCM) DTC CHART

Symptom Chart

Condition	Possible Sources	Action
The vehicle does not start with the scan tool connected to the Data Link Connector (DLC) and/or multiple malfunction indicators are only on when the scan tool is connected to the DLC	Refer to the Diagnostic Routine	GO to PINPOINT TEST AC .
The PCM does not respond to the scan tool	Refer to the Diagnostic Routine	REFER to ENGINE CONTROLS - PINPOINT TESTS (SECTION 5) , pinpoint test QA before proceeding to Pinpoint Test A. If pinpoint test QA has been completed, GO to PINPOINT TEST A .
The ABS module does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST B .
The Body Control Module (BCM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST C .
The Instrument Panel Cluster (IPC) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST D .
The Power Steering Control Module (PSCM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST E .
The Restraints Control Module (RCM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST F .
The Occupant Classification System Module (OCSM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST G .
The Steering Angle Sensor Module (SASM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST H .
The Parking Aid Module (PAM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST I .
The Remote Function Actuator (RFA) module does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST J .
The Accessory Protocol Interface Module (APIM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST K .
The Audio Front Control Module (ACM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST L .
The Front Controls Interface Module (FCIM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST M .
The Front Control/Display Interface Module (FCDIM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST N .
The Global Positioning System Module (GPSM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST O .
The Side Obstacle Detection Control Module - Left (SOD-L) or Side Obstacle Detection Control Module - Right (SOD-R) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST P .
The Driver Seat Module (DSM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST Q .
The HVAC module does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST R .
The audio Digital Signal Processing (DSP) module does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST S .
The Headlamp Control Module (HCM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST T .
The Driver Door Module (DDM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST U .
The Passenger Door Module (PDM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST V .
The Liftgate/Trunk Module (LTM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST W .
The Image Processing Module - B (IPM-B) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST X .
The Trailer Module (TRM) does not respond to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST Y .
No High Speed Controller Area Network (HS-CAN) communication, all modules are not responding	Refer to the Diagnostic Routine	GO to PINPOINT TEST Z .
No Medium Speed Controller Area Network (MS-CAN) communication, all modules are not responding	Refer to the Diagnostic Routine	GO to PINPOINT TEST AA .
No Infotainment Controller Area Network (I-CAN) communication, all modules are not responding	Refer to the Diagnostic Routine	GO to PINPOINT TEST AB .
No power to the scan tool	Refer to the Diagnostic Routine	GO to PINPOINT TEST AC .

SYMPTOM CHART

PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 1

Scheme 1: PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL

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A1 VERIFY WHETHER OTHER HS-CAN MODULES PASS THE NETWORK TEST Using a scan tool, perform the network test. In the LH pane of the IDS network test display screen, verify whether any HS-CAN modules passed the network test. Is "pass" or a DTC listed next to any of the following modules (if equipped): ABS module, APIM, BCM, HCM, OCSM, PAM, PCM, PSCM, RCM or SASM? Yes : If "pass" or a DTC was listed next to the PCM, a network fault is not currently present. If "pass" or a DTC was listed next to one or more modules other than the PCM, GO to A2. No : No modules are currently communicating on the HS-CAN. GO to «PINPOINT TEST Z»(ref-569552-S34658993152013072700000) to diagnose no HS-CAN communication.
A2 PC/ED PINPOINT TEST QA VERIFICATION Verify that Powertrain Control/Emissions Diagnosis (PC/ED) pinpoint test QA has been carried out. Has pinpoint test QA been carried out? Yes : GO to A3. No : REFER to the «ENGINE CONTROLS - PINPOINT TESTS (SECTION 5)»(ref-532351) , pinpoint test QA to diagnose no communication with the PCM.
A3 CHECK THE HS-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect the scan tool from the DLC. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes : GO to A6 . No : For 2.5L engine, GO to A4. For 1.6L or 2.0L engine, GO to A5 .
A4 CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN - 2.5L Disconnect: PCM C175B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C175B-59 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C175B-58 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to A6 . No : REPAIR the affected circuit. CONNECT the negative battery cable.
A5 CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN - 2.0L/1.6L Disconnect: PCM C1381B (2.0L) or C1551B (1.6L). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit 2.0L Engine C1381-69 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C1381b-68 VDB05 (WH) C251-14 VDB05 (WH) 1.6L Engine C1551-69 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C1551B-68 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to A6. No : REPAIR the affected circuit. CONNECT the negative battery cable.
A6 CHECK FOR CORRECT PCM OPERATION Disconnect and inspect the PCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the PCM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PCM. REFER to «ELECTRONIC ENGINE CONTROLS»(ref-569601) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Visual Inspection and Diagnostic Pre-checks

Verify BJB fuses 7 (40A), 8 (30A) and 19 (5A) are OK.

PINPOINT TEST B: THE ABS MODULE DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 4

Scheme 4: PINPOINT TEST B: THE ABS MODULE DOES NOT RESPOND TO THE SCAN TOOL

Scheme 5

Scheme 6

B1 CHECK THE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: ABS Module C135. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C135-1 SBB26 (YE/RD) - Ground C135-8 CBP03 (GY) - Ground C135-32 SBB25 (RD) - Ground Are the voltages greater than 11 volts? Yes : GO to B2. No : VERIFY the Battery Junction Box (BJB) fuse 7 (40A), 8 (30A) or 19 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
B2 CHECK THE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C135-47 GD122 (BK) - Ground Is the resistance less than 3 ohms? Yes : GO to B3. No : REPAIR the affected circuit. CONNECT the negative battery cable.
B3 CHECK THE HS-CAN CIRCUITS BETWEEN THE DLC AND THE ABS MODULE FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C135-12 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C135-13 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to B4. No : REPAIR the affected circuit. CONNECT the negative battery cable.
B4 CHECK FOR CORRECT ABS MODULE OPERATION Disconnect the ABS module connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the ABS module connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ABS module. REFER to «ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL»(ref-569593) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify high current BJB MEGA fuses 4 (50A) and 9 (50A) are OK.

PINPOINT TEST C: THE BCM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 7

Scheme 8

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Scheme 11

C1 CHECK THE HS-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect the scan tool cable from the Data Link Connector (DLC). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes : GO to C3 . No : GO to C2.
C2 CHECK THE HS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280C. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280C-7 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C2280C-8 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to C7 . No : REPAIR the affected circuit.
C3 CHECK THE MS-CAN TERMINATION RESISTANCE Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes : GO to C5 . No : GO to C4.
C4 CHECK THE MS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280A. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280A-41 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C2280A-40 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to C7 . No : REPAIR the affected circuit.
C5 CHECK THE BCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN NOTE: Measurements are taken with the fuse installed and probes placed at the terminals on the back of the fuse blade. Ignition ON. Disconnect: BCM C2280G. Connect: Negative Battery Cable. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit 2 SBB17 (RD) - Ground 1 SBB18 (YE) - Ground Are the voltages greater than 11 volts? Yes : GO to C6. No : VERIFY high current BJB MEGA fuses 4 (50A) and 9 (50A) are OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
C6 CHECK THE BCM GROUND CIRCUIT FOR AN OPEN Disconnect: BCM C2280A and C2280E. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280A-3 GD123 (BK/GY) - Ground Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280E-2 GD140 (BK/GY) - Ground Is the resistance less than 3 ohms? Yes : GO to C7. No : REPAIR the affected circuit.
C7 CHECK FOR CORRECT BCM OPERATION Disconnect all the BCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the BCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 69 (5A) is OK.

PINPOINT TEST D: THE IPC DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 12

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Scheme 14

D1 CHECK THE I-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect the scan tool cable from the Data Link Connector (DLC). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance between 54 and 66 ohms? Yes : GO to D3 . No : GO to D2.
D2 CHECK THE I-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-5 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C220-4 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to D7 . No : REPAIR the affected circuit.
D3 CHECK THE MS-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect the scan tool cable from the Data Link Connector (DLC). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes : GO to D5 . No : GO to D4.
D4 CHECK THE MS-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-2 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C220-1 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to D7 . No : REPAIR the affected circuit.
D5 CHECK THE IPC VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: IPC C220. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-3 SBP08 (VT/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to D6. No : VERIFY BCM fuse 69 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
D6 CHECK THE IPC GROUND CIRCUIT FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-10 GD138 (BK) - Ground Is the resistance less than 3 ohms? Yes : GO to D7. No : REPAIR the circuit.
D7 CHECK FOR CORRECT IPC OPERATION Disconnect and inspect the IPC connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the IPC connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new IPC. REFER to «INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES»(ref-569587) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify high current BJB fuse 1 (80A) and BJB fuse 40 (5A) are OK.

PINPOINT TEST E: THE PSCM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 15

Scheme 15: PINPOINT TEST E: THE PSCM DOES NOT RESPOND TO THE SCAN TOOL

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Scheme 18

E1 CHECK THE PSCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: PSCM C1463A and C1463B. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1463A-3 CBB40 (YE/GN) - Ground Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1463B-1 SBF01(RD) - Ground Is the voltage greater than 11 volts? Yes : GO to E2. No : VERIFY the high current BJB fuse 1 (80A) or BJB fuse 40 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
E2 CHECK THE PSCM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1463B-2 GD120 (BK/GN) - Ground Is the resistance less than 3 ohms? Yes : GO to E3. No : REPAIR the affected circuit.
E3 CHECK THE HS-CAN CIRCUITS BETWEEN THE PSCM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1463A-1 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C1463A-2 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to E4. No : REPAIR the affected circuit.
E4 CHECK FOR CORRECT PSCM OPERATION Disconnect all the PSCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the PSCM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PSCM. REFER to «POWER STEERING»(ref-569575) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 86 (10A) is OK.

PINPOINT TEST F: THE RCM DOES NOT RESPOND TO THE SCAN TOOL

WARNING

Never probe the electrical connectors on airbag, Safety Canopy or side air curtain assemblies. Failure to follow this instruction may result in the accidental deployment of these assemblies, which increases the risk of serious personal injury or death.

WARNING

Never disassemble or tamper with seat belt deployable components, including pretensioners, load limiters and inflators. Never back probe deployable device electrical connectors. Tampering or back probing may cause an accidental deployment and result in personal injury or death.

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Note. The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.

Scheme 19

Scheme 20

F1 CHECK THE RCM CONNECTION Ignition OFF. Depower the SRS. Refer to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . Disconnect: RCM C310A. Disconnect: RCM C310B. Inspect the RCM connectors for damaged, pushed out or corroded pins. Are RCM C310A pin 19 and RCM C310B pins 47 and 48 OK? Yes : GO to F2. No : INSTALL a new wiring harness. REPOWER the SRS. REFER to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) .
F2 CHECK THE RCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Repower the SRS. Refer to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C310A-19 CBP86 (WH/BU) - Ground Is the voltage greater than 11 volts? Yes : GO to F3. No : VERIFY the BCM fuse 86 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
F3 CHECK THE RCM CASE GROUND Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between the RCM case and a good chassis ground. Is the resistance less than 3 ohms? Yes : GO to F4. No : REPAIR the RCM case ground as necessary. CONNECT the negative battery cable.
F4 CHECK THE HS-CAN CIRCUITS BETWEEN THE RCM AND THE DLC FOR AN OPEN Depower the SRS. Refer to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C310B-48 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C310B-47 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to F5. No : REPAIR the affected circuit. CONNECT the negative battery cable.
F5 CHECK FOR CORRECT RCM OPERATION Disconnect all the RCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the RCM connectors. Make sure they seat and latch correctly. Repower the SRS. Refer to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new RCM. REFER to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BJB fuse 37 (10A) is OK.

PINPOINT TEST G: THE OCSM DOES NOT COMMUNICATE WITH THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 21

Scheme 21: PINPOINT TEST G: THE OCSM DOES NOT COMMUNICATE WITH THE SCAN TOOL

Scheme 22

G1 CHECK THE OCSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: OCSM C3159. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C3159-1 CBX02 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to G2. No : VERIFY the BJB fuse 37 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
G2 CHECK THE OCSM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C3159-4 GD901 (BK) - Ground Is the resistance less than 3 ohms? Yes : GO to G3. No : REPAIR the affected circuit.
G3 CHECK THE HS-CAN CIRCUITS BETWEEN THE OCSM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C3159-2 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C3159-3 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to G4. No : REPAIR the affected circuit.
G4 CHECK FOR CORRECT OCSM OPERATION Disconnect the OCSM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the OCSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new OCSM. REFER to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 72 (7.5A) is OK.

PINPOINT TEST H: THE SASM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 23

Scheme 23: PINPOINT TEST H: THE SASM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 24

Scheme 25

H1 CHECK THE SASM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: SASM C226A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C226A-1 SBP07 (WH/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to H2. No : VERIFY the Body Control Module (BCM) fuse 72 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
H2 CHECK THE SASM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C226A-14 GD138 (BK/WH) - Ground Is the resistance less than 3 ohms? Yes : GO to H3. No : REPAIR the affected circuit.
H3 CHECK THE HS-CAN CIRCUITS BETWEEN THE SASM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C226A-4 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C226A-5 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to H4. No : REPAIR the affected circuit.
H4 CHECK FOR CORRECT SASM OPERATION Disconnect all the SASM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the SASM connectors. Make sure they seat and latch correctly. Verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new SASM. REFER to «ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL»(ref-569593) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 30 (5A) is OK.

PINPOINT TEST I: THE PAM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 26

Scheme 26: PINPOINT TEST I: THE PAM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 27

Scheme 28

I1 CHECK THE PAM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: PAM C4014A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4014A-1 CBR01 (BU) - Ground Is the voltage greater than 11 volts? Yes : GO to I2. No : VERIFY the RJB fuse 30 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
I2 CHECK THE PAM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4014A-8 GD152 (BK/BU) - Ground Is the resistance less than 3 ohms? Yes : GO to I3. No : REPAIR the affected circuit.
I3 CHECK THEHS-CAN CIRCUITS BETWEEN THE PAM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4014A-6 VDB04 (BU) C251-6 VDB04 (WH/BU) C4014A-15 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to I4. No : REPAIR the affected circuit.
I4 CHECK FOR CORRECT PAM OPERATION Disconnect the PAM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the PAM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PAM. REFER to «PARKING AID - AUDIBLE»(ref-569603) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 2 (10A) is OK.

PINPOINT TEST J: THE RFA MODULE DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 29

Scheme 29: PINPOINT TEST J: THE RFA MODULE DOES NOT RESPOND TO THE SCAN TOOL

Scheme 30

Scheme 31

J1 CHECK THE RFA MODULE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: RFA Module C4392C (Blue hardshell). Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4392C-5 SBR08 (VT/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to J2. No : VERIFY the RJB fuse 2 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
J2 CHECK THE RFA MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4392C-4 GD143 (BK/VT) - Ground C4392C-23 GD140 (BK) - Ground Are the resistances less than 3 ohms? Yes : GO to J3. No : REPAIR the affected circuit.
J3 CHECK THE MS-CAN CIRCUITS BETWEEN THE RFA MODULE AND THE DLC FOR AN OPEN Disconnect: RFA Module C4392D (natural hardshell). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4392D-3 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C4392D-4 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to J4. No : REPAIR the affected circuit.
J4 CHECK FOR CORRECT RFA MODULE OPERATION Disconnect all the RFA module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the RFA module connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new RFA module. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 67 (7.5A) is OK.

PINPOINT TEST K: THE APIM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 32

Scheme 32: PINPOINT TEST K: THE APIM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 33

Scheme 34

K1 CHECK THE APIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: APIM C3342 (4.2-inch screen) or C2383 (8-inch touchscreen). Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit 4.2-inch screen C3342-1 SBP06 (BN/RD) - Ground 8-inch touchscreen C2383-1 SBP06 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to K2. No : VERIFY the Body Control Module (BCM) fuse 67 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
K2 CHECK THE APIM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit 4.2-inch screen C3342-37 GD135 (BK/GY) - Ground C3342-38 GD135 (BK/GY) - Ground 8-inch touchscreen C2383-37 GD135 (BK/GY) - Ground Are the resistances less than 3 ohms? Yes : GO to K3. No : REPAIR the affected circuit.
K3 CHECK THE HS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit 4.2-inch screen C3342-53 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C3342-54 VDB05 (WH) C251-14 VDB05 (WH) 8-inch touchscreen C2383-53 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C2383-53 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : If equipped with an 8-inch touchscreen, GO to K4. If not equipped with an 8-inch touchscreen, GO to K5 . No : REPAIR the affected circuit.
K4 CHECK THE MS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2383-16 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C2383-17 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to K5. No : REPAIR the affected circuit.
K5 CHECK FOR CORRECT APIM OPERATION Disconnect the APIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the APIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new APIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 79 (15A) is OK.

PINPOINT TEST L: THE ACM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 35

Scheme 36

Scheme 37

L1 CHECK THE I-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance between 54 and 66 ohms? Yes : GO to L3 . No : GO to L2.
L2 CHECK THE I-CAN CIRCUITS BETWEEN THE ACM AND THE DLC FOR AN OPEN Disconnect: ACM C240A. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C240A-14 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C240A-15 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to L3. No : REPAIR the affected circuit.
L3 CHECK THE ACM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: ACM C240A. Connect: Negative Battery Cable. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C240A-1 SBP06 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to L4. No : VERIFY the Body Control Module (BCM) fuse 79 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
L4 CHECK THE ACM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C240A-13 GD103 (BK) - Ground Is the resistance less than 3 ohms? Yes : GO to L5. No : REPAIR the affected circuit.
L5 CHECK FOR CORRECT ACM OPERATION Disconnect all the ACM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the ACM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ACM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 79 (15A) is OK.

PINPOINT TEST M: THE FCIM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 38

Scheme 38: PINPOINT TEST M: THE FCIM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 39

Scheme 40

M1 CHECK THE FCIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: FCIM C2402. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2402-8 SBP06 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to M2. No : VERIFY the Body Control Module (BCM) fuse 79 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
M2 CHECK THE FCIM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2402-5 GD133 (BK/WH) - Ground Is the resistance less than 3 ohms? Yes : GO to M3. No : REPAIR the affected circuit.
M3 CHECK THE I-CAN CIRCUITS BETWEEN THE FCIM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2402-7 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C2402-4 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to M4. No : REPAIR the affected circuit.
M4 CHECK FOR CORRECT FCIM OPERATION Disconnect the FCIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the FCIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new FCIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 67 (7.5A) is OK.

PINPOINT TEST N: THE FCDIM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 41

Scheme 41: PINPOINT TEST N: THE FCDIM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 42

N1 CHECK THE FCDIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: FCDIM C2123. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2123-1 SBB06 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to N2. No : VERIFY the Body Control Module (BCM) fuse 67 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
N2 CHECK THE FCDIM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2123-9 GD138 (BK/WH) - Ground C2123-11 GD138 (BK/WH) - Ground Are the resistances less than 3 ohms? Yes : GO to N3. No : REPAIR the affected circuit.
N3 CHECK THE I-CAN CIRCUITS BETWEEN THE FCDIM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2123-4 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C2123-5 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. GO to N4. No : REPAIR the affected circuit. CONNECT the negative battery cable.
N4 CHECK FOR CORRECT FCDIM OPERATION Disconnect the FCDIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the FCDIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new FCDIM. REFER to «INFORMATION AND ENTERTAINMENT SYSTEMS - MONOCHROMATIC DISPLAY, 6 SPEAKERS»(ref-569630) or «INFORMATION AND ENTERTAINMENT SYSTEMS - 4.2-INCH (107MM) SCREEN, 6 SPEAKERS»(ref-569631) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 67 (7.5A) is OK.

PINPOINT TEST O: THE GPSM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 43

Scheme 43: PINPOINT TEST O: THE GPSM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 44

Scheme 45

O1 CHECK THE GPSM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: GPSM C2398. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2398-1 VMN03 (BN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to O2. No : VERIFY the Body Control Module (BCM) 67 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
O2 CHECK THE GPSM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2398-6 GD138 (BK/WH) - Ground Is the resistance less than 3 ohms? Yes : GO to O3. No : REPAIR the affected circuit.
O3 CHECK THE MS-CAN CIRCUITS BETWEEN THE GPSM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2398-2 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C2398-3 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to O4. No : REPAIR the affected circuit.
O4 CHECK FOR CORRECT GPSM OPERATION Disconnect the GPSM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the GPSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new GPSM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 29 (5A) is OK.

PINPOINT TEST P: THE SOD-L OR SOD-R DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 46

Scheme 46: PINPOINT TEST P: THE SOD-L OR SOD-R DOES NOT RESPOND TO THE SCAN TOOL

Scheme 47

Scheme 48

Scheme 49

Scheme 50

P1 PERFORM A NETWORK TEST Using a scan tool, perform the network test. In the LH pane of the IDS network test display screen, verify whether the following modules pass the network test. Is "pass" or a DTC listed next to any of the following modules: SOD-L, SOD-R or BCM? Yes : If all modules passed the network test, the system is operating correctly at this time. The concern may have been caused by an intermittent concern. For either the SOD-L or the SOD-R, GO to P2. No : GO to «PINPOINT TEST C»(ref-569552-S39162510442013072700000) .
P2 CHECK THE EXTENDED MS-CAN TERMINATION RESISTANCE Ignition OFF. Disconnect: Negative Battery Cable. Disconnect: SOD-L C4369. Disconnect: SOD-R C4370. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4369-4 VDB06 (GY/OG) C4369-3 VDB07 (VT/OG) C4370-4 VDB06 (GY/OG) C4370-3 VDB07 (VT/OG) Are the resistances between 54 and 66 ohms? Yes : GO to P5 . No : GO to P3.
P3 CHECK THE MS-CAN CIRCUITS BETWEEN THE SOD-L AND SOD-R FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4369-4 VDB06 (GY/OG) C4370-4 VDB06 (GY/OG) C4369-3 VDB07 (VT/OG) C4370-3 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to P4. No : REPAIR the affected circuit.
P4 CHECK THE MS-CAN CIRCUITS BETWEEN THE SOD-L, SOD-R AND THE BCM FOR AN OPEN Disconnect: BCM C2280B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4369-4 VDB06 (GY/OG) C2280B-60 VDB06 (GY/OG) C4369-3 VDB07 (VT/OG) C2280B-40 VDB07 (VT/OG) C4370-4 VDB06 (GY/OG) C2280B-38 VDB06 (GY/OG) C4370-3 VDB07 (VT/OG) C2280B-58 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to P8 . No : REPAIR the affected circuit.
P5 CHECK THE SOD-L OR SOD-R VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit SOD-L C4369-5 CBR11 (BU/RD) - Ground SOD-R C4370-5 CBR11 (BU/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to P6. No : VERIFY the RJB fuse 29 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
P6 CHECK THE SOD-L OR SOD-R GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit SOD-L C4369-2 GD350 (BK/WH) - Ground SOD-R C4370-1 GD352 (BK/BU) - Ground C4370-2 GD352 (BK/BU) - Ground Is the resistance less than 3 ohms? Yes : GO to P7. No : REPAIR the affected circuit.
P7 CHECK FOR CORRECT SOD-L OR SOD-R OPERATION Disconnect the SOD-L or SOD-R connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the SOD-L or SOD-R connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new SOD-L or SOD-R. REFER to «SIDE AND REAR VISION»(ref-569639) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
P8 CHECK FOR CORRECT BCM OPERATION Disconnect the BCM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the BCM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuses 9 (25A) and 10 (5A) are OK.

PINPOINT TEST Q: THE DSM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 51

Scheme 51: PINPOINT TEST Q: THE DSM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 52

Scheme 53

Q1 CHECK THE DSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: DSM C341D. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C341D-6 CBX05 (VT/RD) - Ground C341D-12 CBX05 (VT/RD) - Ground C341D-14 CBX03 (BU/RD) - Ground Are the voltages greater than 11 volts? Yes : GO to Q2. No : VERIFY the RJB fuses 9 (25A) or 10 (5A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
Q2 CHECK THE DSM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C341D-8 GD903 (BK/WH) - Ground C341D-10 GD903 (BK/WH) - Ground C341D-11 GD906 (BK/GY) - Ground Are the resistances less than 3 ohms? Yes : GO to Q3. No : REPAIR the affected circuit.
Q3 CHECK THE MS-CAN CIRCUITS BETWEEN THE DSM AND THE DLC FOR AN OPEN Disconnect: DSM C341B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C341B-6 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C341B-7 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to Q4. No : REPAIR the affected circuit.
Q4 CHECK FOR CORRECT DSM OPERATION Disconnect all the DSM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the DSM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new DSM. REFER to «SEATING - 1ST ROW»(ref-569637) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BCM fuse 71 (10A) is OK

PINPOINT TEST R: THE HVAC MODULE DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 54

Scheme 54: PINPOINT TEST R: THE HVAC MODULE DOES NOT RESPOND TO THE SCAN TOOL

Scheme 55

Scheme 56

Scheme 57

Scheme 58

Scheme 59

Scheme 60

R1 CHECK THE HVAC MODULE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Disconnect: HVAC Module 2357A (EMTC). Disconnect: HVAC Module 2357B (EMTC) or C228B (DATC). Ignition ON. For EMTC, measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2357A-14 SBP27 (BU/RD) - Ground For DATC, measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C228B-14 SBP71 (WH/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to R2. No : VERIFY the BCM fuse 71 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
R2 CHECK THE HVAC MODULE GROUND CIRCUIT FOR AN OPEN Ignition OFF. For EMTC, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2357A-18 GD133 (BK) - Ground For EMTC, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2357B-5 GD138 (BK/WH) - Ground For DATC, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C228B-6 GD133 (BK) - Ground Is the resistance less than 3 ohms? Yes : GO to R3. No : REPAIR the affected circuit.
R3 CHECK THE MS-CAN CIRCUITS BETWEEN THE HVAC MODULE AND THE DLC FOR AN OPEN For EMTC, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2357A-13 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C2357A-26 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) For DATC, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C228B-18 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C228B-19 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to R4. No : REPAIR the affected circuit.
R4 CHECK FOR CORRECT HVAC MODULE OPERATION Ignition OFF. Disconnect the HVAC module connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the HVAC module connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HVAC module. REFER to «CLIMATE CONTROL SYSTEM - ELECTRONIC MANUAL TEMPERATURE CONTROL (EMTC)»(ref-569573) or «CLIMATE CONTROL SYSTEM - DUAL AUTOMATIC TEMPERATURE CONTROL (DATC)»(ref-569574) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 23 (25A) is OK.

PINPOINT TEST S: THE AUDIO DSP MODULE DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 61

Scheme 61: PINPOINT TEST S: THE AUDIO DSP MODULE DOES NOT RESPOND TO THE SCAN TOOL

Scheme 62

Scheme 63

S1 CHECK THE AUDIO DSP MODULE VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Audio DSP Module C4326C. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4326C-5 SME23 (VT/RD) - Ground C4326C-6 SME23 (VT/RD) - Ground Are the voltages greater than 11 volts? Yes : GO to S2. No : VERIFY the RJB fuse 23 (25A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
S2 CHECK THE AUDIO DSP MODULE GROUND CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4326C-13 GD180 (VT/RD) - Ground C4326C-14 GD180 (VT/RD) - Ground Are the resistances less than 3 ohms? Yes : GO to S3. No : REPAIR the affected circuit.
S3 CHECK THE I-CAN CIRCUITS BETWEEN THE AUDIO DSP MODULE AND THE DLC FOR AN OPEN Disconnect: Audio DSP Module C4326A. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4326A-1 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C4326A-11 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to S4. No : REPAIR the affected circuit.
S4 CHECK FOR CORRECT AUDIO DSP MODULE OPERATION Disconnect all the audio DSP module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the audio DSP module connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new audio DSP module. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify BJB fuses 39 (5A) and 43 (15A) are OK.

PINPOINT TEST T: THE HCM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 64

Scheme 64: PINPOINT TEST T: THE HCM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 65

Scheme 66

T1 CHECK THE HCM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: HCM C2129. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2129-9 CBB43 (GY) - Ground C2129-10 CBB39 (VT/WH) - Ground Are the voltages greater than 11 volts? Yes : GO to T2. No : VERIFY the BJB fuse 39 (5A) or 43 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
T2 CHECK THE HCM GROUND CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2129-11 GD138 (BK/WH) - Ground Is the resistance less than 3 ohms? Yes : GO to T3. No : REPAIR the affected circuit.
T3 CHECK THE HS-CAN CIRCUITS BETWEEN THE HCM AND THE DLC FOR AN OPEN Disconnect: HCM C2129. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2129-3 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C2129-2 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to T4. No : REPAIR the affected circuit.
T4 CHECK FOR CORRECT HCM OPERATION Disconnect all the HCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the HCM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HCM. REFER to «EXTERIOR LIGHTING»(ref-569589) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 4 (25A) is OK.

PINPOINT TEST U: THE DDM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 67

Scheme 67: PINPOINT TEST U: THE DDM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 68

Scheme 69

Scheme 70

U1 CHECK THE DDM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: DDM C501A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C501A-2 SBR04 (GN/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to U2. No : VERIFY the RJB fuse 4 (25A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
U2 CHECK THE DDM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: DDM C501B. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C501A-13 GD134 (BK/VT) - Ground Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C501B-16 GD135 (BK/VT) - Ground Is the resistance less than 3 ohms? Yes : GO to U3. No : REPAIR the affected circuit.
U3 CHECK THE MS-CAN CIRCUITS BETWEEN THE DDM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C501B-1 VDB06 (BK) C251-3 VDB06 (GY/OG) C501B-13 VDB07 (BK) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to U4. No : REPAIR the affected circuit.
U4 CHECK FOR CORRECT DDM OPERATION Disconnect all the DDM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the DDM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new DDM. REFER to «HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS - WITH WINDOW ONE-TOUCH UP»(ref-569610) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 5 (25A) is OK.

PINPOINT TEST V: THE PDM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 71

Scheme 71: PINPOINT TEST V: THE PDM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 72

V1 CHECK THE PDM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: PDM C652A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C652A-2 SBR05 (GY/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to V2. No : VERIFY the RJB fuse 5 (25A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
V2 CHECK THE PDM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C652A-13 GD140 (BK/VT) - Ground Is the resistance less than 3 ohms? Yes : GO to V3. No : REPAIR the affected circuit.
V3 CHECK THE MS-CAN CIRCUITS BETWEEN THE PDM AND THE DLC FOR AN OPEN Disconnect: PDM C652B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C652B-1 VDB06 (BK) C251-3 VDB06 (GY/OG) C652B-13 VDB07 (BK) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to V4. No : REPAIR the affected circuit.
V4 CHECK FOR CORRECT PDM OPERATION Disconnect all the PDM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the PDM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PDM. REFER to «HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS - WITH WINDOW ONE-TOUCH UP»(ref-569610) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 25 (25A) is OK.

PINPOINT TEST W: THE LTM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 73

Scheme 73: PINPOINT TEST W: THE LTM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 74

W1 CHECK THE LTM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: LTM C4174A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4174A-1 SBR25 (RD) - Ground Is the voltage greater than 11 volts? Yes : GO to W2. No : VERIFY the RJB fuse 25 (25A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
W2 CHECK THE LTM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4174A-8 GD150 (BK/WH) - Ground Is the resistance less than 3 ohms? Yes : GO to W3. No : REPAIR the affected circuit.
W3 CHECK THE MS-CAN CIRCUITS BETWEEN THE LTM AND THE DLC FOR AN OPEN Disconnect: LTM C4174B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4174B-24 VDB06 (BK) C251-3 VDB06 (GY/OG) C4174B-12 VDB07 (BK) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to W4. No : REPAIR the affected circuit.
W4 CHECK FOR CORRECT LTM OPERATION Disconnect all the LTM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the LTM connectors. Make sure they seat and latch correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new LTM. REFER to «BODY CLOSURES»(ref-569640) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 29 (5A) is OK.

PINPOINT TEST X: THE IPM-B DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 75

Scheme 75: PINPOINT TEST X: THE IPM-B DOES NOT RESPOND TO THE SCAN TOOL

Scheme 76

X1 CHECK THE IPM-B VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: IPM-B C4402. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4402-4 CBR99 (BU) - Ground Is the voltage greater than 11 volts? Yes : GO to X2. No : VERIFY the RJB fuse 29 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
X2 CHECK THE IPM-B GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4402-1 GD152 (BK/BU) - Ground Is the resistance less than 3 ohms? Yes : GO to X3. No : REPAIR the affected circuit.
X3 CHECK THE HS-CAN CIRCUITS BETWEEN THE IPM-B AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4402-2 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C4402-3 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to X4. No : REPAIR the affected circuit.
X4 CHECK FOR CORRECT IPM-B OPERATION Disconnect all the IPM-B connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the IPM-B connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new IPM-B. REFER to «PARKING AID - VISUAL»(ref-569641) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Verify RJB fuse 26 (40A) is OK.

PINPOINT TEST Y: THE TRM DOES NOT RESPOND TO THE SCAN TOOL

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 77

Scheme 77: PINPOINT TEST Y: THE TRM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 78

Scheme 79

Y1 CHECK THE TRM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN Ignition OFF. Disconnect: TRM C4397A. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4397A-2 SBR11 (BU/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to Y2. No : VERIFY the RJB fuse 26 (40A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
Y2 CHECK THE TRM GROUND CIRCUIT FOR AN OPEN Ignition OFF. Disconnect: Negative Battery Cable. Disconnect: TRM C4397B. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4397B-4 GD152 (BK/BU) - Ground Is the resistance less than 3 ohms? Yes : GO to Y3. No : REPAIR the affected circuit.
Y3 CHECK THE HS-CAN CIRCUITS BETWEEN THE TRM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C4397B-1 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C4397B-2 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to Y4. No : REPAIR the affected circuit.
Y4 CHECK FOR CORRECT TRM OPERATION Disconnect all the TRM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the TRM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new TRM. REFER to «EXTERIOR LIGHTING»(ref-569589) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST Z: NO HS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING

Note. Various modules set network DTCs during this test procedure. Clear DTCs from all modules after completing the diagnostic procedure.

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 80

Z1 CHECK THE DLC PINS FOR DAMAGE Ignition OFF. Disconnect the scan tool cable from the Data Link Connector (DLC). Inspect the DLC pins 6 and 14 for damage. Are DLC pins 6 and 14 OK? Yes : GO to Z2. No : REPAIR the DLC as necessary.
Z2 CHECK THE HS-CAN TERMINATION RESISTANCE Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes : GO to Z3. No : GO to Z5 .
Z3 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) - Ground C251-14 VDB05 (WH) - Ground Are the resistances greater than 1, 000 ohms? Yes : GO to Z4. No : GO to Z12 .
Z4 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Connect the negative battery cable. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) - Ground C251-14 VDB05 (WH) - Ground Are the voltages greater than 6 volts? Yes : REPAIR the affected circuit. No : GO to Z13 .
Z5 CHECK THE HS-CAN TERMINATION RESISTOR Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance between 108 and 132 ohms? Yes : GO to Z6. No : GO to Z9 .
Z6 CHECK THE HS-CAN TERMINATION RESISTOR WITH THE PCM DISCONNECTED Disconnect: PCM C175B (2.5L), C1381B (2.0L) or C1551B (1.6L). Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance between 108 and 132 ohms? Yes : GO to Z7. No : GO to Z8 .
Z7 CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN For 2.5L, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C175B-59 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C175B-58 VDB05 (WH) C251-14 VDB05 (WH) For 2.0L, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1381B-69 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C1381B-68 VDB05 (WH) C251-14 VDB05 (WH) For 1.6L, measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C1551B-69 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C1551B-68 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to Z28 . No : REPAIR the affected circuit.
Z8 CHECK THE HS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280C. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280C-7 VDB04 (WH/BU) C251-6 VDB04 (WH/BU) C2280C-8 VDB05 (WH) C251-14 VDB05 (WH) Are the resistances less than 3 ohms? Yes : GO to Z24 . No : REPAIR the affected circuit.
Z9 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance less than 3 ohms? Yes : GO to Z11 . No : GO to Z10.
Z10 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Is the resistance greater than 10, 000 ohms? Yes : REPAIR the DLC or REPAIR the affected circuit. No : A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
Z11 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Disconnect the following modules one at a time until resistance is greater than 3 ohms. APIM C3342 (4.2-inch screen) C2383 (8-inch touchscreen) ABS module C135 BCM C2280C HCM C2129 OCSM C3159 PAM C4014 (if equipped) PCM C175B (2.5L), C1381B (2.0L) or C1551B (1.6L) PSCM C1463A RCM C310B SASM C226A Did the resistance change to greater than 5 ohms with one of the modules disconnected? Yes : For the APIM, GO to Z22 . For the ABS module, GO to Z23 . For the BCM, GO to Z24 . For the HCM, GO to Z25 . For the OCSM, GO to Z26 . For the PAM, GO to Z27 . For the PCM, GO to Z28 . For the PSCM, GO to Z29 . For the RCM, GO to Z30 . For the SASM, GO to Z31 . No : REPAIR the affected circuits.
Z12 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-6 VDB04 (WH/BU) C251-14 VDB05 (WH) Disconnect the following modules one at a time until resistance is greater than 1, 000 ohms. APIM C3342 (4.2-inch screen) C2383 (8-inch touchscreen) ABS module C135 BCM C2280C HCM C2129 OCSM C3159 PAM C4014 (if equipped) PCM C175B (2.5L), C1381B (2.0L) or C1551B (1.6L) PSCM C1463A RCM C310B SASM C226A Did the resistance change to greater than 1, 000 ohms with one of the modules disconnected? Yes : For the APIM, GO to Z22 . For the ABS module, GO to Z23 . For the BCM, GO to Z24 . For the HCM, GO to Z25 . For the OCSM, GO to Z26 . For the PAM, GO to Z27 . For the PCM, GO to Z28 . For the PSCM, GO to Z29 . For the RCM, GO to Z30 . For the SASM, GO to Z31 . No : REPAIR the affected circuit. CONNECT all modules.
Z13 CHECK FOR RESTORED COMMUNICATION WITH THE PCM DISABLED NOTE: Establish an IDS session prior to disabling the PCM in this test step. If the PCM has failed communication during multiple attempts to identify the vehicle, first identify the vehicle manually by entering a PCM part number, calibration number or tear tag when prompted by IDS. NOTE: When a vehicle is manually identified by a PCM part number, calibration number or tear tag, the IDS does not automatically run a network test. Manually select and run the Network Test. NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: Battery Junction Box (BJB) Fuses 12 (30A), 26 (5A) (2.5L) and 32 (5A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST A»(ref-569552-S23647250642013072700000) . No : INSTALL the removed fuses. GO to Z14.
Z14 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE ABS MODULE DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BJB Fuses 7 (40A), 8 (30A) and 19 (15A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST B»(ref-569552-S22963360862013072700000) . No : INSTALL the removed fuses. GO to Z15.
Z15 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE OCSM, APIM AND THE RCM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuses 37 (10A), 67 (7.5A) and 86 (10A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to Z16. No : INSTALL the removed fuses. GO to Z17 .
Z16 CHECK FOR RESTORED COMMUNICATION WITH THE OCSM, APIM AND RCM DISCONNECTED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect modules one at a time until other HS-CAN modules pass the network test. Skip to the end once network operation is restored. Disconnect: OCSM C3159. Using a scan tool, perform the network test. Disconnect: APIM C2383 (8-inch touchscreen) or C3342 (4.2-inch non-touchscreen) (if equipped). Using a scan tool, perform the network test. Disconnect: RCM C310B. Using a scan tool, perform the network test. Do all other HS-CAN modules pass the network test? Yes : CONNECT all modules. For restored operation with the RCM disconnected, GO to «PINPOINT TEST F»(ref-569552-S03731609542013072700000) . For restored operation with the OCSM disconnected, GO to «PINPOINT TEST G»(ref-569552-S06788024792013072700000) . For restored operation with the APIM disconnected, GO to «PINPOINT TEST K»(ref-569552-S28894552852013072700000) . No : CONNECT all modules. The HS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
Z17 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE BCM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: High Current BJB Fuses 4 (50A) and 9 (50A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST C»(ref-569552-S39162510442013072700000) . No : INSTALL the removed fuses. GO to Z18.
Z18 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE SASM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 72 (7.5A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST H»(ref-569552-S17300021792013072700000) . No : INSTALL the removed fuse. If equipped with parking aid, GO to Z19. If not equipped with parking aid, GO to Z20 .
Z19 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE PAM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuse 30 (5A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST I»(ref-569552-S16472379562013072700000) . No : INSTALL the removed fuse. GO to Z20.
Z20 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE PSCM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: High Current BJB Fuses 1 (80A) and 40 (5A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST E»(ref-569552-S00488837652013072700000) . No : INSTALL the removed fuse. If equipped with HID headlamps, GO to Z21. If not equipped with HID headlamps, the HS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
Z21 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE HCM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BJB Fuses 39 (5A) and 43 (15A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST T»(ref-569552-S42680111962013072700000) . No : INSTALL the removed fuses. The HS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
Z22 CHECK THE APIM FOR CORRECT OPERATION Disconnect the APIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the APIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new APIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z23 CHECK THE ABS MODULE FOR CORRECT OPERATION Disconnect the ABS module connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the ABS module connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ABS module. REFER to «ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL»(ref-569593) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z24 CHECK THE BCM FOR CORRECT OPERATION Disconnect all the BCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the BCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z25 CHECK THE HCM FOR CORRECT OPERATION Disconnect the HCM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the HCM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HCM. REFER to «EXTERIOR LIGHTING»(ref-569589) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z26 CHECK THE OCSM FOR CORRECT OPERATION Disconnect the OCSM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the OCSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new OCSM. REFER to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z27 CHECK THE PAM FOR CORRECT OPERATION Disconnect the PAM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the PAM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PAM. REFER to «PARKING AID - AUDIBLE»(ref-569603) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z28 CHECK THE PCM FOR CORRECT OPERATION Disconnect all the PCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the PCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PCM. REFER to «ELECTRONIC ENGINE CONTROLS»(ref-569601) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z29 CHECK THE PSCM FOR CORRECT OPERATION Disconnect all the PSCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the PSCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PSCM. REFER to «POWER STEERING»(ref-569575) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z30 CHECK THE RCM FOR CORRECT OPERATION Disconnect all the RCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the RCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new RCM. REFER to «SUPPLEMENTAL RESTRAINT SYSTEM»(ref-569600) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
Z31 CHECK THE SASM FOR CORRECT OPERATION Disconnect all the SASM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the SASM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new SASM. REFER to «STEERING COLUMN SWITCHES»(ref-569588) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AA: NO MS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING

Note. Various modules set network DTCs during this test procedure. Clear DTCs from all modules after completing the diagnostic procedure.

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 81

Scheme 81: PINPOINT TEST AA: NO MS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING

AA1 CHECK THE DLC PINS FOR DAMAGE Ignition OFF. Disconnect the scan tool cable from the Data Link Connector (DLC). Inspect the DLC pins 3 and 11 for damage. Are DLC pins 3 and 11 OK? Yes : GO to AA2. No : REPAIR the DLC as necessary.
AA2 CHECK THE MS-CAN TERMINATION RESISTANCE Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes : GO to AA3. No : GO to AA5 .
AA3 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) - Ground C251-11 VDB07 (VT/OG) - Ground Are the resistances greater than 1, 000 ohms? Yes : GO to AA4. No : GO to AA12 .
AA4 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Connect the negative battery cable. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) - Ground C251-11 VDB07 (VT/OG) - Ground Are the voltages greater than 6 volts? Yes : REPAIR the affected circuit. No : GO to AA13 .
AA5 CHECK THE MS-CAN TERMINATION RESISTOR Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes : GO to AA6. No : GO to AA9 .
AA6 CHECK THE MS-CAN TERMINATION RESISTOR WITH THE BCM DISCONNECTED Disconnect: BCM C2280A. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes : GO to AA7. No : GO to AA8 .
AA7 CHECK THE MS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C2280A-41 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C2280A-40 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to AA26 . No : REPAIR the affected circuit.
AA8 CHECK THE MS-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Disconnect: IPC C220. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-2 VDB06 (GY/OG) C251-3 VDB06 (GY/OG) C220-1 VDB07 (VT/OG) C251-11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes : GO to AA32 . No : REPAIR the affected circuit.
AA9 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance less than 3 ohms? Yes : GO to AA11 . No : GO to AA10.
AA10 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Is the resistance greater than 10, 000 ohms? Yes : REPAIR the DLC or REPAIR the affected circuit. No : A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
AA11 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) C251-11 VDB07 (VT/OG) Disconnect the following modules one at a time until the resistance is greater than 3 ohms. APIM C2383 (if equipped) BCM C2280A DDM C501B DSM C341D (if equipped) GPSM C2398 (if equipped) HVAC module C2357A (EMTC) or C228B (DATC) IPM-B C4402 (if equipped) IPC C220 LTM C4174B (if equipped) RFA module C4392D (if equipped) PDM C652B (if equipped) TRM C4397B (if equipped) Did the resistance change to greater than 3 ohms with one of the modules disconnected? Yes : For the APIM, GO to AA25 . For the BCM, GO to AA26 . For the DDM, GO to AA27 . For the DSM, GO to AA28 . For the GPSM, GO to AA29 . For the HVAC module, GO to AA30 . For the IPM-B, GO to AA31 . For the IPC, GO to AA32 . For the LTM, GO to AA33 . For the PDM, GO to AA35 . For the RFA module, GO to AA34 . For the TRM, GO to AA36 . No : REPAIR circuits for a short together. CONNECT all modules.
AA12 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-3 VDB06 (GY/OG) - Ground C251-11 VDB07 (VT/OG) - Ground Disconnect the following modules one at a time until the resistance is greater than 1, 000 ohms. APIM C2383 (if equipped) BCM C2280A DDM C501B DSM C341D (if equipped) GPSM C2398 (if equipped) HVAC module C2357A (EMTC) or C228B (DATC) IPM-B C4402 (if equipped) IPC C220 LTM C4174B (if equipped) RFA module C4392D (if equipped) PDM C652B (if equipped) TRM C4397B (if equipped) Did the resistance change to greater than 1, 000 ohms with one of the modules disconnected? Yes : For the APIM, GO to AA25 . For the BCM, GO to AA26 . For the DDM, GO to AA27 . For the DSM, GO to AA28 . For the GPSM, GO to AA29 . For the HVAC module, GO to AA30 . For the IPM-B, GO to AA31 . For the IPC, GO to AA32 . For the LTM, GO to AA33 . For the PDM, GO to AA35 . For the RFA module, GO to AA34 . For the TRM, GO to AA36 . No : REPAIR the affected circuit.
AA13 CHECK FOR RESTORED COMMUNICATION WITH THE BCM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: High Current BJB Fuses 4 (50A) and 9 (50A). Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST C»(ref-569552-S39162510442013072700000) . No : INSTALL the removed fuses. If the vehicle is equipped with GPS or SYNC®, GO to AA14. If not equipped with GPS or SYNC®, GO to AA16 .
AA14 CHECK FOR RESTORED COMMUNICATION WITH THE GPSM AND THE APIM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 67 (7.5A). Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL the removed fuse. GO to AA15. No : INSTALL the removed fuse. GO to AA16 .
AA15 CHECK FOR RESTORED COMMUNICATION WITH THE GPSM AND THE APIM DISCONNECTED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect modules one at a time until other MS-CAN modules pass the network test. Skip to the end once network operation is restored. Disconnect: BCM Fuse 69 (5A). Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL the removed fuse. For restored operation with the GPSM disconnected, GO to «PINPOINT TEST O»(ref-569552-S05172556362013072700000) . For restored operation with the APIM disconnected, GO to «PINPOINT TEST K»(ref-569552-S28894552852013072700000) . No : INSTALL the removed fuse. GO to AA16.
AA16 CHECK FOR RESTORED COMMUNICATION WITH THE IPC DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 69 (5A). Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL removed fuse. GO to «PINPOINT TEST D»(ref-569552-S31274488342013072700000) . No : INSTALL removed fuse. GO to AA17.
AA17 CHECK FOR RESTORED COMMUNICATION WITH THE DDM AND PDM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuses 4 (25A) and 5 (25A). Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL removed fuses. GO to AA18. No : INSTALL removed fuses. GO to AA19 .
AA18 CHECK FOR RESTORED COMMUNICATION WITH THE DDM AND THE PDM DISCONNECTED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect modules one at a time until other MS-CAN modules pass the network test. Skip to the end once network operation is restored. Disconnect: DDM C501B. Using a scan tool, perform the network test. Disconnect: PDM C652B. Using a scan tool, perform the network test. Do all other MS-CAN modules pass the network test? Yes : CONNECT all modules. For restored operation with the DDM disconnected, GO to «PINPOINT TEST U»(ref-569552-S41089505922013072700000) . For restored operation with the PDM disconnected, GO to «PINPOINT TEST V»(ref-569552-S14602866942013072700000) . No : CONNECT all modules. If the vehicle is equipped with a rear camera, GO to AA19. If not equipped with a rear camera, GO to AA20 .
AA19 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE IPM-B DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuse 29 (5A). Using a scan tool, perform the network test. Repeat the network test. Do all other MS-CAN modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST X»(ref-569552-S12511421262013072700000) . No : INSTALL the removed fuses. GO to AA20.
AA20 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE HVAC MODULE DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 71 (10A). Using a scan tool, perform the network test. Repeat the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST R»(ref-569552-S01668500552013072700000) . No : INSTALL the removed fuse. If equipped with power liftgate, GO to AA21. If equipped with trailer tow, GO to AA22 . If not equipped with power liftgate or trailer tow, GO to AA23 .
AA21 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE LTM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuse 25 (25A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST W»(ref-569552-S22565036262013072700000) . No : INSTALL the removed fuse. If equipped with trailer tow, GO to AA22. If not equipped with trailer tow, GO to AA23 .
AA22 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE TRM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB fuse 26 (40A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST Y»(ref-569552-S33743039732013072700000) . No : INSTALL the removed fuse. GO to AA23.
AA23 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE DSM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuses 9 (25A) and 10 (5A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuses. GO to «PINPOINT TEST Q»(ref-569552-S24744770702013072700000) . No : INSTALL the removed fuse. If equipped with RFA module, GO to AA24. If not equipped with RFA module, the MS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
AA24 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE RFA MODULE DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuses 2 (10A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST J»(ref-569552-S20574735632013072700000) . No : INSTALL the removed fuse. The MS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
AA25 CHECK THE APIM FOR CORRECT OPERATION Disconnect the APIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the APIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new APIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA26 CHECK THE BCM FOR CORRECT OPERATION Disconnect all the BCM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the BCM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA27 CHECK THE DDM FOR CORRECT OPERATION Disconnect all the DDM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the DDM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new DDM. REFER to «HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS - WITH WINDOW ONE-TOUCH UP»(ref-569610) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA28 CHECK THE DSM FOR CORRECT OPERATION Disconnect all the DSM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the DSM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new DSM. REFER to «SEATING - 1ST ROW»(ref-569637) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA29 CHECK THE GPSM FOR CORRECT OPERATION Disconnect the GPSM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the GPSM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new GPSM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA30 CHECK THE HVAC MODULE FOR CORRECT OPERATION Disconnect all the HVAC module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the HVAC module connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HVAC module. REFER to «CLIMATE CONTROL SYSTEM - ELECTRONIC MANUAL TEMPERATURE CONTROL (EMTC)»(ref-569573) or «CLIMATE CONTROL SYSTEM - DUAL AUTOMATIC TEMPERATURE CONTROL (DATC)»(ref-569574) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA31 CHECK THE IPM-B FOR CORRECT OPERATION Disconnect all the IPM-B connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the IPM-B connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new IPM-B. REFER to «PARKING AID - VISUAL»(ref-569641) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA32 CHECK THE IPC FOR CORRECT OPERATION Disconnect all the IPC connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the IPC connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new IPC. REFER to «INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES»(ref-569587) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA33 CHECK THE LTM FOR CORRECT OPERATION Disconnect all the LTM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the LTM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new LTM. REFER to «BODY CLOSURES»(ref-569640) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA34 CHECK THE RFA MODULE FOR CORRECT OPERATION Disconnect all the RFA module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the RFA module connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new RFA module. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA35 CHECK THE PDM FOR CORRECT OPERATION Disconnect the PDM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the PDM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new PDM. REFER to «HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS - WITH WINDOW ONE-TOUCH UP»(ref-569610) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AA36 CHECK THE TRM FOR CORRECT OPERATION Disconnect the TRM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the TRM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new TRM. REFER to «EXTERIOR LIGHTING»(ref-569589) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AB: NO I-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING

Note. Various modules set network DTCs during this test procedure. Clear DTCs from all modules after completing the diagnostic procedure.

Note. Failure to disconnect the battery when instructed results in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

AB1 CHECK THE I-CAN TERMINATION RESISTANCE Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance between 54 and 66 ohms? Yes : GO to AB2. No : GO to AB4 .
AB2 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) - Ground C251-8 VDB14 (VT/GY) - Ground Are the resistances greater than 1, 000 ohms? Yes : GO to AB3. No : GO to AB11 .
AB3 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Connect the negative battery cable. Ignition ON. Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) - Ground C251-8 VDB14 (VT/GY) - Ground Are the voltages greater than 6 volts? Yes : REPAIR the affected circuit. No : GO to AB10 .
AB4 CHECK THE I-CAN TERMINATION RESISTOR Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance between 108 and 132 ohms? Yes : GO to AB5. No : GO to AB8 .
AB5 CHECK THE I-CAN TERMINATION RESISTOR WITH THE IPC DISCONNECTED Disconnect: IPC C220. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance between 108 and 132 ohms? Yes : GO to AB6. No : GO to AB7 .
AB6 CHECK THE I-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C220-5 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C220-4 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to AB23 . No : REPAIR the affected circuit.
AB7 CHECK THE I-CAN CIRCUITS BETWEEN THE ACM AND THE DLC FOR AN OPEN Disconnect: Audio Front Control Module (ACM) C240A. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C240A-14 VDB13 (BU/GY) C251-1 VDB13 (BU/GY) C240A-15 VDB14 (VT/GY) C251-8 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes : GO to AB19 . No : REPAIR the affected circuit.
AB8 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance less than 3 ohms? Yes : GO to AB10 . No : GO to AB9.
AB9 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR AN OPEN Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Is the resistance greater than 10, 000 ohms? Yes : REPAIR the DLC or REPAIR the affected circuit. No : A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
AB10 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) C251-8 VDB14 (VT/GY) Disconnect the following modules one at a time until resistance is greater than 3 ohms. APIM C3342 (4.2-inch screen) C2383 (8-inch touchscreen) ACM C240A Audio DSP module C4326A (Sony®) (if equipped) FCIM C2402 (if equipped) FCDIM C2123 (if equipped) IPC C220 Did the resistance change to greater than 5 ohms with one of the modules disconnected? Yes : For the APIM, GO to AB18 . For the ACM, GO to AB19 . For the audio DSP module, GO to AB20 . For the FCIM, GO to AB21 . For the FCDIM, GO to AB22 . For the IPC, GO to AB23 . No : REPAIR the affected circuit. CONNECT all modules.
AB11 CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-1 VDB13 (BU/GY) - Ground C251-8 VDB14 (VT/GY) - Ground Disconnect the following modules one at a time until the resistance is greater than 1, 000 ohms. APIM C3342 (4.2-inch screen) C2383 (8-inch touchscreen) ACM C240A Audio DSP module C4326A (Sony®) (if equipped) FCIM C2402 (if equipped) FCDIM C2123 (if equipped) IPC C220 Are the resistances greater than 1, 000 ohms? Yes : For the APIM, GO to AB18 . For the ACM, GO to AB19 . For the audio DSP module, GO to AB20 . For the FCIM, GO to AB21 . For the FCDIM, GO to AB22 . For the IPC, GO to AB23 . No : REPAIR the affected circuit. CONNECT all modules.
AB12 CHECK FOR RESTORED COMMUNICATION WITH THE ACM AND FCIM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 79 (7.5A). Using a scan tool, perform the network test. Do all other I-CAN modules pass the network test? Yes : INSTALL the removed fuse. If equipped with a FCIM, GO to AB13. If not equipped with a FCIM, GO to «PINPOINT TEST L»(ref-569552-S12028527572013072700000) . No : GO to AB14 .
AB13 CHECK FOR RESTORED COMMUNICATION WITH THE FCIM DISCONNECTED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: FCIM C2402. Using a scan tool, perform the network test. Do all other I-CAN modules pass the network test? Yes : CONNECT the module. For restored operation with the FCIM disconnected, GO to «PINPOINT TEST M»(ref-569552-S15598076902013072700000) . No : CONNECT the module. GO to AB14.
AB14 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE AUDIO DSP MODULE DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: RJB Fuse 23 (25A). Using a scan tool, perform the network test. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST S»(ref-569552-S35663400212013072700000) . No : INSTALL the removed fuse. GO to AB15.
AB15 CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE IPC DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 69 (5A). INSTALL the removed fuse. Do all other modules pass the network test? Yes : INSTALL the removed fuse. GO to «PINPOINT TEST D»(ref-569552-S31274488342013072700000) . No : INSTALL the removed fuse. GO to AB16.
AB16 CHECK FOR RESTORED COMMUNICATION WITH THE APIM AND THE FCDIM DISABLED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: BCM Fuse 67 (7.5A). Using a scan tool, perform the network test. Do all other I-CAN modules pass the network test? Yes : CONNECT all modules. For restored operation with the APIM disabled, GO to AB17. If not equipped with an APIM, GO to «PINPOINT TEST N»(ref-569552-S42253866602013072700000) . No : CONNECT all modules. The I-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
AB17 CHECK FOR RESTORED COMMUNICATION WITH THE APIM DISCONNECTED NOTE: When re-running the network test, close the Network Test application first or the screen display reverts back to the prior run Network Test results. Disconnect: APIM C3342 (4.2-inch screen) C2383 (8-inch touchscreen). Using a scan tool, perform the network test. Do all other I-CAN modules pass the network test? Yes : CONNECT the module. For restored operation with the APIM disconnected, GO to «PINPOINT TEST K»(ref-569552-S28894552852013072700000) . No : CONNECT the module. The I-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
AB18 CHECK THE APIM FOR CORRECT OPERATION Disconnect the APIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the APIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new APIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AB19 CHECK THE ACM FOR CORRECT OPERATION Disconnect all the ACM connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the ACM connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new ACM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AB20 CHECK THE AUDIO DSP MODULE FOR CORRECT OPERATION Disconnect all the audio DSP module connectors. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Reconnect all the audio DSP module connectors. Make sure they are seated correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new audio DSP module. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AB21 CHECK THE FCIM FOR CORRECT OPERATION Disconnect the FCIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the FCIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new FCIM. Refer to the appropriate INFORMATION AND ENTERTAINMENT SYSTEM for the procedure. No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AB22 CHECK THE FCDIM FOR CORRECT OPERATION Disconnect the FCDIM connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the FCDIM connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new FCDIM. REFER to «INFORMATION AND ENTERTAINMENT SYSTEMS - MONOCHROMATIC DISPLAY, 6 SPEAKERS»(ref-569630) or «INFORMATION AND ENTERTAINMENT SYSTEMS - 4.2-INCH (107MM) SCREEN, 6 SPEAKERS»(ref-569631) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
AB23 CHECK THE IPC FOR CORRECT OPERATION Disconnect the IPC connector. Repair: corrosion (replace connector or terminals - clean module pins) damaged or bent pins - replace terminals/pins pushed-out pins - replace pins as necessary Connect the IPC connector. Make sure it seats and latches correctly. Operate the system and verify the concern is still present. Is the concern still present? Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new IPC. REFER to «INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES»(ref-569587) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AC: NO POWER TO THE DLC

Note. Failure to disconnect the battery when instructed will result in false resistance readings. Refer to BATTERY, MOUNTING AND CABLES .

Scheme 82

Scheme 82: PINPOINT TEST AC: NO POWER TO THE DLC

AC1 CHECK DLC PINS FOR DAMAGE Disconnect the scan tool cable from the DLC. Inspect DLC pins 4, 5 and 16 for damage. Are DLC pins 4, 5 and 16 OK? Yes : GO to AC2. No : REPAIR the DLC as necessary.
AC2 CHECK THE VOLTAGE SUPPLY CIRCUIT TO THE DLC Measure the voltage between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-16 SBP26 (YE/RD) - Ground Is the voltage greater than 11 volts? Yes : GO to AC3. No : VERIFY the Body Control Module (BCM) fuse 73 (5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the appropriate OEM WIRING DIAGRAMS to identify the possible causes of the circuit short.
AC3 CHECK THE DLC GROUND CIRCUITS FOR AN OPEN Disconnect: Negative Battery Cable. Measure the resistance between: Positive Lead Negative Lead Pin Circuit Pin Circuit C251-4 GD138 (BK/WH) - Ground C251-5 GD133 (BK) - Ground Are the resistances less than 3 ohms? Yes : CONNECT the negative battery cable. REPAIR the scan tool. No : REPAIR the affected circuit. CONNECT the negative battery cable.

Module Communications Network: Diagnosis Ford Escape III

DTC Chart

Symptom Chart

PINPOINT TEST A: THE PCM DOES NOT RESPOND TO THE SCAN TOOL

Scheme 1

Scheme 2

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Visual Inspection and Diagnostic Pre-checks

PINPOINT TEST B: THE ABS MODULE DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST C: THE BCM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST D: THE IPC DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST E: THE PSCM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST F: THE RCM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST G: THE OCSM DOES NOT COMMUNICATE WITH THE SCAN TOOL

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PINPOINT TEST H: THE SASM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST I: THE PAM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST J: THE RFA MODULE DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST K: THE APIM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST L: THE ACM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST M: THE FCIM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST N: THE FCDIM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST O: THE GPSM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST P: THE SOD-L OR SOD-R DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST Q: THE DSM DOES NOT RESPOND TO THE SCAN TOOL

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PINPOINT TEST R: THE HVAC MODULE DOES NOT RESPOND TO THE SCAN TOOL

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