Module Communications Network: Overview Ford Explorer V

Normal Operation

The PCM communicates with the scan tool through the HS-CAN . An IDS session cannot be established if the PCM communication fails when attempting to identify the vehicle.

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1. VERIFY WHETHER OTHER HS-CAN MODULES PASS THE NETWORK TEST Using a scan tool, perform a network test. Is the text "pass" or a DTC listed next to any of the following modules (if equipped): APIM, ATCM, ABS module, BCM, C-CM, FLM, HUD module, IPC, OCSM, PAM, PSCM, PCM, RCM or SCCM? Yes: If "pass" or a DTC was listed next to the PCM, a network fault is not currently present. REFER to «Diagnostic Routine AD: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding»(ref-517597-S09648031592012121200000) to diagnose an intermittent HS-CAN fault condition. If "pass" or a DTC was listed next to one or more modules other than the PCM, GO to 2 . No: No modules are currently communicating on the HS-CAN . REFER to «Diagnostic Routine AD: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding»(ref-517597-S09648031592012121200000) .
2. PINPOINT TEST QA VERIFICATION CHECK Verify that pinpoint test QA has been carried out. Has pinpoint test QA been carried out? Yes: GO to 3 . No: REFER to «SECTION 5: PINPOINT TESTS»(ref-477695-S38551455262012060700000) QA to diagnose no communication with the PCM.
3. CHECK THE HS-CAN TERMINATION RESISTANCE Ignition OFF. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes: CONNECT the negative battery cable. GO to 6 . No: GO to 4 .
4. CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN Disconnect: PCM C175B (3.5L), or C1381B (2.0L). 3.5L engine, measure: PCM DLC C175B C251 Pin Circuit Measurement Pin Circuit 59 VDB04 (WH/BU) 6 VDB04 (WH/BU) 58 VDB05 (WH) 14 VDB05 (WH) 2.0L engine, measure: PCM DLC C1381B C251 Pin Circuit Measurement Pin Circuit 54 VDB04 (WH/BU) 6 VDB04 (WH/BU) 41 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 5 . No: REPAIR the circuit in question. CONNECT the negative battery cable.
5. CHECK THE HS-CAN CIRCUITS FOR BEING SHORTED TOGETHER Disconnect: BCM C2280F. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance less that 10, 000 ohms? Yes: REPAIR the circuits in question. No: GO to 6 .
6. CHECK FOR CORRECT PCM OPERATION Ignition OFF. 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 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 «POWERTRAIN CONTROL MODULE (PCM) - 2.0L GTDI»(ref-517566-S00665914912012121200000) , or REFER to «POWERTRAIN CONTROL MODULE (PCM) - 3.5L TI-VCT»(ref-517566-S09666002682012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

Normal Operation and Fault Conditions

The ABS module communicates with the scan tool through the HS-CAN .

The RCM communicates with the scan tool through the HS-CAN .

The FCDIM communicates with the scan tool through the HS-CAN . The IPC is used as the gateway module.

The OCS module communicates with the scan tool through the HS-CAN .

The SCCM communicates with the scan tool through the HS-CAN .

The IPC communicates with the scan tool through the HS-CAN and communicates with the other modules through the I-CAN .

The BCM module communicates with the scan tool through the HS-CAN and communicates with the other modules through the MS-CAN .

The HVAC module communicates with the scan tool through the MS-CAN .

The audio DSP module communicates with the scan tool through the HS-CAN . The IPC is used as the gateway module.

The FLM communicates with the scan tool through the HS-CAN .

The LTM communicates with the scan tool through the MS-CAN .

The DSM module communicates with the scan tool through the MS-CAN .

The GPSM module communicates with the scan tool through the MS-CAN .

The DCSM communicates with the scan tool through the MS-CAN .

The PAM module communicates with the scan tool through the HS-CAN .

The APIM module communicates with the scan tool through the HS-CAN . The APIM also communicates with other modules on the I-CAN and MS-CAN for vehicles with an 8-inch touchscreen.

The HUD module communicates with the scan tool through the HS-CAN .

The C-CM communicates with the scan tool through the HS-CAN .

The SOD-L communicates with the scan tool through the MS-CAN .

The SOD-R communicates with the scan tool through the MS-CAN .

The TPM module communicates with the scan tool through the MS-CAN .

The FCIM communicates with the scan tool through the HS-CAN . The IPC is used as the gateway module.

The RFA module communicates with the scan tool through the MS-CAN .

The ATCM communicates with the scan tool through the HS-CAN .

The TCM communicates with the scan tool through the HS-CAN .

The PSCM communicates with the scan tool through the HS-CAN .

REFER to High Speed Controller Area Network (HS-CAN) .

REFER to Controller Area Network (CAN) Fault Tolerance .

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1. CHECK THE DLC PINS FOR DAMAGE Ignition OFF. Disconnect the scan tool cable from the DLC. Inspect the DLC pins 6 and 14 for damage. Are DLC pins 6 and 14 OK? Yes: GO to 2 . No: REPAIR the DLC as necessary.
2. CHECK THE HS-CAN TERMINATION RESISTANCE Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance between 54 and 66 ohms? Yes: GO to 3 . No: GO to 5 .
3. CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) - - 14 VDB05 (WH) - - Are the resistances greater than 1, 000 ohms? Yes: GO to 4 . No: GO to 12 .
4. CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Connect the negative battery cable. Ignition ON. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) - - 14 VDB05 (WH) - - Are the voltages greater than 6 volts? Yes: REPAIR the circuit in question. No: GO to 13 .
5. CHECK THE HS-CAN TERMINATION RESISTOR Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance between 108 and 132 ohms? Yes: GO to 6 . No: GO to 9 .
6. CHECK THE HS-CAN TERMINATION RESISTOR WITH THE PCM DISCONNECTED Disconnect: PCM C175B (3.5L), or C1381B (2.0L). Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance between 108 and 132 ohms? Yes: GO to 7 . No: GO to 8 .
7. CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN 3.5L engine, measure: PCM DLC C175B C251 Pin Circuit Measurement Pin Circuit 59 VDB04 (WH/BU) 6 VDB04 (WH/BU) 58 VDB05 (WH) 14 VDB05 (WH) 2.0L engine, measure: PCM DLC C1381B C251 Pin Circuit Measurement Pin Circuit 54 VDB04 (WH/BU) 6 VDB04 (WH/BU) 41 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 35 . No: REPAIR the circuit in question.
8. CHECK THE HS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Disconnect: BCM C2280F. Measure: BCM DLC C2280F C251 Pin Circuit Measurement Pin Circuit 16 VDB04 (WH/BU) 6 VDB04 (WH/BU) 17 VDB05 (WH) 14 VDB05 (WH) Are the resistances less than 3 ohms? Yes: GO to 29 . No: REPAIR the circuit in question.
9. CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance less than 5 ohms? Yes: GO to 11 . No: GO to 10 .
10. CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) 14 VDB05 (WH) Is the resistance greater than 10, 000 ohms? Yes: REPAIR the DLC or REPAIR the circuit in question. No: A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
11. CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 6 VDB05 (WH) 14 VDB05 (WH) Disconnect the following modules one at a time until the resistance is greater than 5 ohms. APIM (if equipped) ATCM ABS module BCM C2280F C-CM (if equipped) FLM HUD module (if equipped) IPC OCSM PAM (if equipped) PSCM C1463A PCM C175B (3.5L) or C1381B (2.0L) RCM C310B SCCM C2414A TCM Did the resistance change to greater than 5 ohms with one of the modules disconnected? Yes: For the APIM, GO to 22 . For the ATCM, GO to 35 . For the ABS module, GO to 23 . For the BCM, GO to 24 . For the C-CM , GO to 25 . For the FLM, GO to 26 . For the HUD module, GO to 28 . For the IPC, GO to 29 . For the OCSM, GO to 30 . For the PAM, GO to 31 . For the PSCM, GO to 27 . For the PCM, GO to 32 . For the RCM, GO to 33 . For the SCCM, GO to 34 . For the TCM, GO to 35 . No: REPAIR circuits VDB04 (WH/BU) and VDB05 (WH) for a short together.
12. CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 6 VDB04 (WH/BU) - - 14 VDB05 (WH) - - Disconnect the following modules one at a time until the resistance to ground is greater than 1000 ohms. APIM (if equipped) ATCM ABS module BCM C2280F C-CM (if equipped) FLM HUD module (if equipped) IPC OCSM PAM (if equipped) PSCM C1463A PCM C175B (3.5L) or C1381B (2.0L) RCM C310B SCCM C2414A TCM Did the resistance change to greater than 1, 000 ohms with one of the modules disconnected? Yes: For the APIM, GO to 22 . For the ATCM, GO to 35 . For the ABS module, GO to 23 . For the BCM, GO to 24 . For the C-CM , GO to 25 . For the FLM, GO to 26 . For the HUD module, GO to 28 . For the IPC, GO to 29 . For the OCSM, GO to 30 . For the PAM, GO to 31 . For the PSCM, GO to 27 . For the PCM, GO to 32 . For the RCM, GO to 33 . For the SCCM, GO to 34 . For the TCM, GO to 35 . No: REPAIR the circuit in question. CONNECT all modules.
13. CHECK FOR RESTORED COMMUNICATION WITH THE PCM AND TCM 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. 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. 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 56 (15A), 69 (15A), 86 (7.5A) and 90 (10A). Using a scan tool, perform network test. Do all other modules pass the network test? Yes: INSTALL the removed fuses. GO to 14 . No: INSTALL the removed fuses. GO to 15 .
14. CHECK FOR RESTORED COMMUNICATION WITH THE PCM DISCONNECTED 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. 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. 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: PCM. Using a scan tool, perform network test. Do all other modules pass the network test? Yes: REFER to «Diagnostic Routine A: The Powertrain Control Module (PCM) Does Not Respond To The Scan Tool»(ref-517597-S27134462132012121200000) . No: REFER to «Diagnostic Routine AB: The Transmission Control Module (TCM) Does Not Respond To The Scan Tool»(ref-517597-S15865711382012121200000) .
15. 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 43 (40A) and 92 (10A). Using a scan tool, perform network test. Do all other modules pass the network test? Yes: INSTALL the removed fuses. REFER to «Diagnostic Routine B: The Anti-Lock Brake System (ABS) Module Does Not Respond To The Scan Tool»(ref-517597-S33739680882012121200000) . No: GO to 16 .
16. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE SCCM, ATCM, FLM AND THE HUD 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 23 (15A), 24 (10A) and 35 (5A). Using a scan tool, perform network test. Do all other HS-CAN modules pass the network test? Yes: INSTALL the removed fuses. GO to 17 . No: INSTALL the removed fuses. If the vehicle is equipped with a C-CM , GO to 18 . If the vehicle is not equipped with a C-CM , GO to 19 .
17. CHECK FOR RESTORED COMMUNICATION WITH THE SCCM, ATCM, FLM AND THE HUD MODULE 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: SCCM C2414A. Using a scan tool, perform network test. Disconnect: FLM. Repeat the network test. Disconnect: ATCM (if equipped). Repeat the network test. Disconnect: HUD module (if equipped). Repeat the network test. Do all other HS-CAN modules pass the network test? Yes: CONNECT all modules. For restored operation with the SCCM disconnected, REFER to «Diagnostic Routine H: The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool»(ref-517597-S30663381592012121200000) . For restored operation with the FLM disconnected, REFER to «Diagnostic Routine M: The Front Lighting Control Module (FLM) Does Not Respond To The Scan Tool»(ref-517597-S41061057642012121200000) . For restored operation with the HUD module disconnected, REFER to «Diagnostic Routine T: The Head Up Display (HUD) Module Does Not Respond To The Scan Tool»(ref-517597-S06616832162012121200000) . For restored operation with the ATCM disconnected, REFER to «Diagnostic Routine AA: The All Terrain Control Module (ATCM) Does Not Respond To The Scan Tool»(ref-517597-S17668918932012121200000) . No: CONNECT all modules. The HS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
18. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE C-CM 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 79 (5A) and 91 (10A). Using a scan tool, perform network test. Do all other modules pass the network test? Yes: INSTALL the removed fuses. REFER to «Diagnostic Routine U: The Cruise-Control Module (C-CM) Does Not Respond To The Scan Tool»(ref-517597-S15429662672012121200000) . No: GO to 19 .
19. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE RCM, OCSM, PAM, 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. Disable modules one at a time until other HS-CAN modules pass the network test. Skip to the end once network operation is restored. Disconnect: BCM Fuses 37 (10A) to disable the RCM. Using a scan tool, perform network test. Install the removed fuse. Disconnect: BCM Fuses 33 (10A) to disable the OCSM. Repeat the network test. Install the removed fuse. Disconnect: BCM Fuses 29 (20A) to disable the APIM (if equipped). Repeat the network test. Install the removed fuse. Disconnect: BCM Fuses 34 (10A) to disable the PAM (if equipped). Repeat the network test. Do all other modules pass the network test? Yes: INSTALL the removed fuses. For restored operation with the RCM disabled, REFER to «Diagnostic Routine C: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool»(ref-517597-S22632793372012121200000) . For restored operation with the OCSM disabled, REFER to «Diagnostic Routine E: The Occupant Classification System Module (OCSM) Does Not Respond To The Scan Tool»(ref-517597-S15433652722012121200000) . For restored operation with the APIM disabled, REFER to «Diagnostic Routine S: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool»(ref-517597-S41312037562012121200000) . For restored operation with the PAM disabled, REFER to «Diagnostic Routine R: The Parking Aid Module (PAM) Does Not Respond To The Scan Tool»(ref-517597-S08591607482012121200000) . No: INSTALL the removed fuses. GO to 20 .
20. 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: BCM Fuses 18 (10A). Using a scan tool, perform network test. Repeat the network test. Do all other modules pass the network test? Yes: INSTALL the removed fuse. REFER to «Diagnostic Routine I: The Body Control Module (BCM) Does Not Respond To The Scan Tool»(ref-517597-S36367030732012121200000) . No: INSTALL the removed fuse. GO to 21 .
21. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE IPC AND 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. Disable modules one at a time until other HS-CAN modules pass the network test. Skip to the end once network operation is restored. Disconnect: BCM Fuses 11 (10A) to disable the IPC. Using a scan tool, perform network test. Install the removed fuse. Disconnect: BJB Fuses 89 (5A) to disable the PSCM. Repeat the network test. Do all other modules pass the network test? Yes: INSTALL the removed fuses. For restored operation with the IPC disabled, REFER to «Diagnostic Routine H: The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool»(ref-517597-S30663381592012121200000) . For restored operation with the PSCM disabled, REFER to «Diagnostic Routine AC: The Power Steering Control Module (PSCM) Does Not Respond To The Scan Tool»(ref-517597-S17153178492012121200000) . No: INSTALL the removed fuses. The HS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
22. CHECK THE APIM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the APIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538889-S32773893312013033000000) (Premium), REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538890-S10329010452013033000000) (Premium Plus), or REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538891-S37547890862013033000000) (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
23. CHECK THE ABS MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all ABS module connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the ABS module connectors. Make sure they seat and latch correctly. Operate the system and determine 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) MODULE»(ref-517557-S32788947712012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
24. CHECK THE BCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA)»(ref-517607-S22029955872012121200000) , or REFER to «BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517607-S10277508012012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
25. CHECK THE C-CM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the C-CM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the C-CM connector. Make sure it seats and latches correctly. Operate the system and determine 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 C-CM . REFER to «CRUISE CONTROL MODULE (C-CM)»(ref-517603-S02009440042012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
26. CHECK THE FLM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the FLM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the FLM connector. Make sure it seats and latches correctly. Operate the system and determine 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 FLM. REFER to «FRONT LIGHTING CONTROL MODULE (FLM)»(ref-517594-S14764851962012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
27. CHECK THE PSCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all PSCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the PSCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «STEERING GEAR»(ref-517538-S03013328262012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
28. CHECK THE HUD MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the HUD module connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the HUD module connector. Make sure it seats and latches correctly. Operate the system and determine 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 HUD module. REFER to «HEAD UP DISPLAY (HUD) MODULE»(ref-517605-S36576731642012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
29. CHECK THE IPC FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the IPC connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the IPC connector. Make sure it seats and latches correctly. Operate the system and determine 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 «INSTRUMENT PANEL CLUSTER (IPC)»(ref-517585-S03957025252012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
30. CHECK THE OCSM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the OCSM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the OCSM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR»(/ford/explorer/v-2010-2015/remont/airbag/#supplemental-restraint-system) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
31. CHECK THE PAM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the PAM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the PAM connector. Make sure it seats and latches correctly. Operate the system and determine 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 MODULE (PAM)»(ref-517587-S06017244582012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
32. CHECK THE PCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all PCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the PCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «POWERTRAIN CONTROL MODULE (PCM) - 2.0L GTDI»(ref-517566-S00665914912012121200000) , or REFER to «POWERTRAIN CONTROL MODULE (PCM) - 3.5L TI-VCT»(ref-517566-S09666002682012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
33. CHECK THE RCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all RCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the RCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «RESTRAINTS CONTROL MODULE (RCM)»(/ford/explorer/v-2010-2015/remont/airbag/#supplemental-restraint-system) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
34. CHECK THE SCCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all SCCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the SCCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 SCCM. REFER to «STEERING COLUMN CONTROL MODULE (SCCM)»(ref-517559-S19442282422012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
35. CHECK THE ATCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect all ATCM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the ATCM connector. Make sure it seats and latches correctly. Operate the system and determine 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 ATCM. REFER to «ALL TERRAIN CONTROL MODULE (ATCM)»(ref-517536-S41817413912012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
36. CHECK FOR CORRECT TCM OPERATION Ignition OFF. Disconnect and inspect the TCM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the TCM connector. Make sure it seats and latches correctly. Operate the system and determine the concern is still present. Is the concern still present? Yes: CHECK OASIS for any applicable TSBs . If a TSB DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new TCM. REFER to «TRANSMISSION CONTROL MODULE (TCM)»(/ford/explorer/v-2010-2015/remont/automatic-trans/#automatic-transmission-6f35-explorer) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

REFER to Medium Speed Controller Area Network (MS-CAN)

REFER to Controller Area Network (CAN) Fault Tolerance

Scheme 16

Scheme 17

Scheme 18

Scheme 19

Scheme 20

Scheme 21

Scheme 22

Scheme 23

Scheme 24

Scheme 25

Scheme 26

Scheme 27

1. CHECK THE DLC PINS FOR DAMAGE Ignition OFF. Disconnect the scan tool cable from the DLC. Inspect the DLC pins 3 and 11 for damage. Are DLC pins 3 and 11 OK? Yes: GO to 2 . No: REPAIR the DLC as necessary.
2. CHECK THE MS-CAN TERMINATION RESISTANCE Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 54 and 66 ohms? Yes: GO to 3 . No: GO to 5 .
3. CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Are the resistances greater than 1, 000 ohms? Yes: GO to 4 . No: GO to 12 .
4. CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Ignition ON. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Are the voltages greater than 6 volts? Yes: REPAIR the circuit in question. No: GO to 13 .
5. CHECK THE MS-CAN TERMINATION RESISTOR Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes: GO to 6 . No: GO to 9 .
6. CHECK THE MS-CAN TERMINATION RESISTOR WITH THE BCM DISCONNECTED Disconnect: BCM C2280B. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance between 108 and 132 ohms? Yes: GO to 7 . No: GO to 8 .
7. CHECK THE MS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Measure: BCM DLC C2280B C251 Pin Circuit Measurement Pin Circuit 38 VDB06 (GY/OG) 3 VDB06 (GY/OG) 39 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 19 . No: REPAIR the circuit in question.
8. CHECK THE MS-CAN CIRCUITS BETWEEN THE HVAC MODULE AND THE DLC FOR AN OPEN Disconnect: HVAC module C228A. Measure: HVAC module DLC C228A C251 Pin Circuit Measurement Pin Circuit 12 VDB06 (GY/OG) 3 VDB06 (GY/OG) 13 VDB07 (VT/OG) 11 VDB07 (VT/OG) Are the resistances less than 3 ohms? Yes: GO to 23 . No: REPAIR the circuit in question.
9. CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance less than 3 ohms? Yes: GO to 11 . No: GO to 10 .
10. CHECK THE MS-CAN CIRCUITS BETWEEN THE BCM AND THE DLC FOR AN OPEN Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Is the resistance greater than 10, 000 ohms? Yes: REPAIR the DLC or REPAIR the circuit in question. No: A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
11. CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) 11 VDB07 (VT/OG) Disconnect module one at a time until the resistance is greater than 5 ohms: APIM (if equipped) BCM C2280B DSM C341D (if equipped) DCSM C3265C (if equipped) GPSM (if equipped) LTM C4174B (if equipped) SOD-L (if equipped) SOD-R (if equipped) TPM module RFA module C2153E (if equipped) HVAC module C228A Did the resistance change to greater than 5 ohms with one of the modules disconnected? Yes: For the APIM, GO to 19 . For the BCM, GO to 20 . For the DSM, GO to 21 . For the DCSM, GO to 22 . For the GPSM, GO to 23 . For the HVAC module, GO to 24 . For the LTM, GO to 25 . For the RFA module, GO to 26 . For the SOD-L , GO to 27 . For the SOD-R , GO to 28 . For the TPM module, GO to 29 . No: REPAIR circuits the circuits for a short together. CONNECT all modules.
12. CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 3 VDB06 (GY/OG) - - 11 VDB07 (VT/OG) - - Disconnect a module one at a time until the resistance to ground is greater than 1, 000 ohms: APIM (if equipped) BCM C2280B DSM C341D (if equipped) DCSM C3265C (if equipped) GPSM (if equipped) LTM C4174B (if equipped) SOD-L (if equipped) SOD-R (if equipped) TPM module RFA module C2153E (if equipped) HVAC module C228A Did the resistance change to greater than 1, 000 ohms with one of the modules disconnected? Yes: For the APIM, GO to 19 . For the BCM, GO to 20 . For the DSM, GO to 21 . For the DCSM, GO to 22 . For the GPSM, GO to 23 . For the HVAC module, GO to 24 . For the LTM, GO to 25 . For the RFA module, GO to 26 . For the SOD-L , GO to 27 . For the SOD-R , GO to 28 . For the TPM module, GO to 29 . No: REPAIR the circuit in question.
13. CHECK FOR RESTORED COMMUNICATION WITH THE BCM, GPSM, TPM MODULE, 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 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 18 (10A) to disable the BCM. Using a scan tool, perform network test. Disconnect: BCM Fuse 26 (5A) to disable the TPM module. Repeat the network test. Disconnect: BCM Fuse 29 (20A) to disable the GPSM and APIM (if equipped). Repeat the network test. Do all other MS-CAN modules pass the network test? Yes: INSTALL the removed fuse. For restored operation with the BCM disabled, REFER to «Diagnostic Routine I: The Body Control Module (BCM) Does Not Respond To The Scan Tool»(ref-517597-S36367030732012121200000) . For restored operation with the TPM disabled, REFER to «Diagnostic Routine X: The Tire Pressure Monitor (TPM) Module Does Not Respond To The Scan Tool»(ref-517597-S02985058672012121200000) . For restored operation with the GPSM and APIM disabled, GO to 14 . No: INSTALL the removed fuses. GO to 15 .
14. 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: GPSM (if equipped). Using a scan tool, perform network test. Do all other MS-CAN modules pass the network test? Yes: CONNECT the GPSM. For restored operation with the GPSM disconnected, REFER to «Diagnostic Routine P: The Global Positioning System Module (GPSM) Does Not Respond To The Scan Tool»(ref-517597-S38575581672012121200000) . No: If the vehicle is equipped with an 8-inch touchscreen CONNECT the GPSM, REFER to «Diagnostic Routine S: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool»(ref-517597-S41312037562012121200000) . If the vehicle is not equipped with an 8-inch touchscreen. CONNECT the GPSM. The MS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
15. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE SOD-L , SOD-R , HVAC MODULE, DCSM, AND 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: BJB Fuse 28 (30A) and BCM Fuse 46 (10A) to disable the HVAC module, DCSM. Using a scan tool, perform network test. Install the removed fuses. Disconnect: BCM Fuses 9 (10A) to disable the LTM (if equipped). Repeat the network test. Install the removed fuse. Disconnect: BCM Fuse 34 (10A) to disable the SOD-L and SOD-R (if equipped). Repeat the network test. Do all other MS-CAN modules pass the network test? Yes: INSTALL the removed fuses. If communication was restored with the HVAC module disabled and vehicle is not equipped with climate control seats, REFER to «Diagnostic Routine J: The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Scan Tool»(ref-517597-S11949325312012121200000) . If the vehicle is equipped with climate control seats, GO to 16 . If communication was restored with the LTM disabled, REFER to «Diagnostic Routine N: The Liftgate Trunk Module (LTM) Does Not Respond To The Scan Tool»(ref-517597-S07259035812012121200000) . If communication was restored with the SOD-L and SOD-R disabled, GO to 17 . No: If the vehicle is equipped DSM or RFA module, INSTALL the removed fuses. GO to 18 . If the vehicle is not equipped with DSM or RFA module, INSTALL the removed fuses. The MS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
16. CHECK FOR RESTORED COMMUNICATION WITH THE HVAC MODULE 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: HVAC module C228A. Using a scan tool, perform network test. Do all other MS-CAN modules pass the network test? Yes: CONNECT the HVAC module. REFER to «Diagnostic Routine J: The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Scan Tool»(ref-517597-S11949325312012121200000) . No: CONNECT the HVAC module. REFER to «Diagnostic Routine Q: The Dual Climate Controlled Seat Module (DCSM) Does Not Respond To The Scan Tool»(ref-517597-S21429391782012121200000) .
17. CHECK FOR RESTORED COMMUNICATION WITH THE SOD-L 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: SOD-L (if equipped). Using a scan tool, perform network test. Do all other MS-CAN modules pass the network test? Yes: CONNECT the SOD-L . REFER to «Diagnostic Routine V: The Side Obstacle Detection Control Module - Left (SOD-L) Does Not Respond To The Scan Tool»(ref-517597-S28411131442012121200000) . No: CONNECT the SOD-L . REFER to «Diagnostic Routine W: The Side Obstacle Detection Control Module - Right (SOD-R) Does Not Respond To The Scan Tool»(ref-517597-S21609510232012121200000) .
18. CHECK FOR RESTORED NETWORK COMMUNICATION WITH THE DSM AND 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. Disable 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 7 (7.5A) for the DSM (if equipped). Using a scan tool, perform network test. Install the removed fuse. Disconnect: BCM Fuses 23 (15A) and 27 (20A) for the RFA module (if equipped). Using a scan tool, perform network test. Do all other modules pass the network test? Yes: INSTALL the removed fuse. If communication was restored with the DSM disabled, REFER to «Diagnostic Routine O: The Driver Seat Module (DSM) Does Not Respond To The Scan Tool»(ref-517597-S09938120632012121200000) . If communication was restored with the RFA disabled, REFER to «Diagnostic Routine Z: The Remote Function Actuator (RFA) Module Does Not Respond To The Scan Tool»(ref-517597-S22084116022012121200000) . No: INSTALL the removed fuses. The MS-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
19. CHECK THE APIM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the APIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538889-S32773893312013033000000) (Premium), REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538890-S10329010452013033000000) (Premium Plus), or REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538891-S37547890862013033000000) (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
20. CHECK THE BCM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA)»(ref-517607-S22029955872012121200000) , or REFER to «BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA)»(ref-517607-S10277508012012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
21. CHECK THE DSM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the DSM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the DSM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «DRIVER SEAT MODULE (DSM)»(/ford/explorer/v-2010-2015/remont/seats/#seat-system-seats-seating-1st-row) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
22. CHECK THE DCSM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the DCSM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the DCSM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 DCSM. REFER to «DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM)»(/ford/explorer/v-2010-2015/remont/seats/#seat-system-seats-seating-1st-row) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
23. CHECK THE GPSM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the GPSM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the GPSM connector. Make sure it seats and latches correctly. Operate the system and determine 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: For Premium Plus system, REFER to «GLOBAL POSITIONING SYSTEM MODULE (GPSM)»(ref-538890-S02377599242013033000000) , or For Sony® Sound system, REFER to «GLOBAL POSITIONING SYSTEM MODULE (GPSM)»(ref-538891-S13409963142013033000000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
24. CHECK THE HVAC MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the HVAC module connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the HVAC module connectors. Make sure they seat and latch correctly. Operate the system and determine 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: For EMTC, Refer to «HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE»(ref-517582-S02745705852012121200000) , or For DATC, Refer to «HEATING VENTILATION AIR CONDITIONING (HVAC) MODULE»(ref-517581-S13895863382012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
25. CHECK THE LTM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the LTM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the LTM connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «LIFTGATE/TRUNK MODULE (LTM)»(ref-517610-S39815224242012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
26. CHECK THE RFA MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the RFA module connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the RFA module connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «REMOTE FUNCTION ACTUATOR (RFA) MODULE»(ref-517607-S30534643672012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
27. CHECK THE SOD-L FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the SOD-L connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the SOD-L connector. Make sure it seats and latches correctly. Operate the system and determine 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 . REFER to «SIDE OBSTACLE DETECTION (SOD) MODULE»(ref-517606-S24396784822012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
28. CHECK THE SOD-R FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the SOD-R connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the SOD-R connector. Make sure it seats and latches correctly. Operate the system and determine 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-R . REFER to «SIDE OBSTACLE DETECTION (SOD) MODULE»(ref-517606-S24396784822012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
29. CHECK THE TPM MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the TPM module connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the TPM module connector. Make sure it seats and latches correctly. Operate the system and determine 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 TPM module. REFER to «TIRE PRESSURE MONITOR (TPM) MODULE»(ref-517544-S07319419592012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

REFER to Overview (I-CAN).

REFER to Controller Area Network (CAN) Fault Tolerance .

Scheme 28

Scheme 29

Scheme 30

Scheme 31

Scheme 32

Scheme 33

Scheme 34

Scheme 35

Scheme 36

Scheme 37

Scheme 38

1. CHECK THE I-CAN TERMINATION RESISTANCE Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Is the resistance between 54 and 66 ohms? Yes: GO to 2 . No: GO to 4 .
2. CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO GROUND Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) - - 9 VDB14 (VT/GY) - - Are the resistances greater than 1, 000 ohms? Yes: GO to 3 . No: GO to 11 .
3. CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO VOLTAGE Ignition ON. Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) - - 9 VDB14 (VT/GY) - - Are the voltages greater than 6 volts? Yes: REPAIR the circuit in question. No: GO to 12 .
4. CHECK THE I-CAN TERMINATION RESISTOR Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Is the resistance between 108 and 132 ohms? Yes: GO to 5 . No: GO to 8 .
5. CHECK THE I-CAN TERMINATION RESISTOR WITH THE IPC DISCONNECTED Disconnect: IPC. Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Is the resistance between 108 and 132 ohms? Yes: GO to 6 . No: GO to 7 .
6. CHECK THE I-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure: IPC DLC C220 C251 Pin Circuit Measurement Pin Circuit 25 VDB13 (BU/GY) 1 VDB13 (BU/GY) 26 VDB14 (VT/GY) 9 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes: GO to 22 . No: REPAIR the circuit in question.
7. CHECK THE I-CAN CIRCUITS BETWEEN THE ACM AND THE DLC FOR AN OPEN Disconnect: ACM C240A. Measure: ACM DLC C240A C251 Pin Circuit Measurement Pin Circuit 14 VDB13 (BU/GY) 1 VDB13 (BU/GY) 15 VDB14 (VT/GY) 9 VDB14 (VT/GY) Are the resistances less than 3 ohms? Yes: GO to 19 . No: REPAIR the circuit in question.
8. CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Is the resistance less than 3 ohms? Yes: GO to 10 . No: GO to 9 .
9. CHECK THE I-CAN CIRCUITS BETWEEN THE IPC AND THE DLC FOR AN OPEN Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Is the resistance greater than 10, 000 ohms? Yes: REPAIR the DLC or REPAIR the circuit in question. No: A capacitor internal to a module may still be draining, causing irregular resistance readings. WAIT 5 minutes. REPEAT the pinpoint test.
10. CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TOGETHER Measure: DLC DLC C251 C251 Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) 9 VDB14 (VT/GY) Disconnect modules, one at a time until the resistance is greater than 5 ohms: APIM (if equipped) Audio DSP module C3154A (if equipped) ACM C240A FCIM FCDIM (if equipped) IPC Did the resistance change to greater than 5 ohms with one of the modules disconnected? Yes: For the APIM, GO to 17 . For the audio DSP module, GO to 18 . For the ACM, GO to 19 . For the FCIM, GO to 20 . For the FCDIM , GO to 21 . For the IPC, GO to 22 . No: REPAIR the circuit in question. CONNECT all modules.
11. CHECK THE I-CAN (+) AND I-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE MODULES DISCONNECTED Measure: DLC Ground C251 Ground Pin Circuit Measurement Pin Circuit 1 VDB13 (BU/GY) - - 9 VDB14 (VT/GY) - - Disconnect modules, one at a time until the resistance to ground is greater than 1, 000 ohms: APIM (if equipped) Audio DSP module C3154A (if equipped) ACM C240A FCIM FCDIM (if equipped) IPC Are the resistances greater than 1, 000 ohms? Yes: For the APIM, GO to 17 . For the audio DSP module, GO to 18 . For the ACM, GO to 19 . For the FCIM, GO to 20 . For the FCDIM , GO to 21 . For the IPC, GO to 22 . No: REPAIR the circuit in question. CONNECT all modules.
12. CHECK FOR RESTORED COMMUNICATION WITH THE FCIM 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 9 (10A). Using a scan tool, perform network test. Repeat the network test. Do all other I-CAN modules pass the network test? Yes: CONNECT all modules. If the vehicle is equipped with a FCDIM , GO to 13 . If the vehicle is not equipped with a FCDIM , REFER to «Diagnostic Routine Y: The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool»(ref-517597-S14160107972012121200000) . No: If the vehicle is equipped with Sony® sound, GO to 14 . If the vehicle is not equipped with Sony® sound, GO to 15 .
13. CHECK FOR RESTORED COMMUNICATION WITH THE FCDIM 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: FCDIM (if equipped). Using a scan tool, perform network test. Do all other I-CAN modules pass the network test? Yes: CONNECT all modules. REFER to «Diagnostic Routine D: The Front Control Display Interface Module (FCDIM) Does Not Respond To The Scan Tool»(ref-517597-S24363691622012121200000) . No: CONNECT all modules. REFER to «Diagnostic Routine Y: The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool»(ref-517597-S14160107972012121200000) .
14. 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: BCM Fuse 5 (20A). Using a scan tool, perform network test. Repeat the network test. Do all other modules pass the network test? Yes: INSTALL the removed fuse. REFER to «Diagnostic Routine L: The Audio Digital Signal Processing (DSP) Module Does Not Respond To The Scan Tool»(ref-517597-S05097952752012121200000) . No: GO to 15 .
15. CHECK FOR RESTORED COMMUNICATION WITH THE APIM AND ACM 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 29 (20A). Using a scan tool, perform network test. Repeat the network test. Do all other I-CAN modules pass the network test? Yes: CONNECT all modules. If the vehicle is equipped with a APIM, GO to 16 . If the vehicle is not equipped with a APIM, REFER to «Diagnostic Routine K: The Audio Control Module (ACM) Does Not Respond To The Scan Tool»(ref-517597-S15331125582012121200000) . No: CONNECT all modules. The I-CAN tests within specification. VERIFY the correct operation of the scan tool on a known good vehicle.
16. 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. Using a scan tool, perform network test. Do all other I-CAN modules pass the network test? Yes: CONNECT all modules. REFER to «Diagnostic Routine S: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool»(ref-517597-S41312037562012121200000) . No: CONNECT all modules. REFER to «Diagnostic Routine K: The Audio Control Module (ACM) Does Not Respond To The Scan Tool»(ref-517597-S15331125582012121200000) .
17. CHECK THE APIM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the APIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538890-S10329010452013033000000) (Premium Plus), or REFER to «ACCESSORY PROTOCOL INTERFACE MODULE (APIM)»(ref-538891-S37547890862013033000000) (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
18. CHECK THE AUDIO DSP MODULE FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the audio DSP module connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the audio DSP module connectors. Make sure they seat and latch correctly. Operate the system and determine 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 «AUDIO DIGITAL SIGNAL PROCESSING (DSP) MODULE»(ref-538891-S37246507612013033000000) (Sony®Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
19. CHECK THE ACM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the ACM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the ACM connectors. Make sure they seat and latch correctly. Operate the system and determine 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: For Premium system, REFER to «AUDIO CONTROL MODULE (ACM)»(ref-538889-S26082881932013033000000) , For Premium Plus system, REFER to «AUDIO CONTROL MODULE (ACM)»(ref-538890-S12710946922013033000000) , or For Sony® Sound system, REFER to «AUDIO CONTROL MODULE (ACM)»(ref-538891-S10597482242013033000000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
20. CHECK THE FCIM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the FCIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the FCIM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538889-S40961126222013033000000) - (Premium), REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538890-S40042572692013033000000) - (Premium Plus), or REFER to «FRONT CONTROLS INTERFACE MODULE (FCIM)»(ref-538891-S32340284562013033000000) - (Sony® Sound). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
21. CHECK THE FCDIM FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the FCDIM connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the FCDIM connector. Make sure it seats and latches correctly. Operate the system and determine 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 «FRONT CONTROLS/DISPLAY INTERFACE MODULE (FCDIM)»(ref-538889-S08709643882013033000000) - (Premium). No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
22. CHECK THE IPC FOR CORRECT OPERATION Ignition OFF. Disconnect and inspect the IPC connector. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the IPC connector. Make sure it seats and latches correctly. Operate the system and determine 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 «INSTRUMENT PANEL CLUSTER (IPC)»(ref-517585-S03957025252012121200000) . No: The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

The scan tool is connected to the DLC to communicate with the HS-CAN , MS-CAN and the I-CAN communication networks. A loss of ground or poor ground at the DLC may result in HS-CAN , MS-CAN or I-CAN faults while the scan tool is connected.

See also:
• OEM FUSE AND RELAY INFORMATION
• SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING - WITH INTELLIGENT ACCESS (IA)
• DRIVER SEAT MODULE (DSM)
• TRANSMISSION CONTROL MODULE (TCM)