Module Communications Network: Diagnosis — Jaguar X-type I рестайлинг (2008-2009)

Inspection and Verification

Verify the customer concern.
Visually inspect for obvious signs of mechanical, electrical or optical damage.

Electrical
Fuses Wiring harness Loose or corroded connections Correct engagement of electrical connectors Controller area network (CAN) Instrument cluster (IC) Steering wheel rotation sensor (SWRS) Gear selector module (GSI) Headlight levelling module (HID) Yaw rate sensor Electronic air temperature control module (EATCM) Memory seat control module Transmission control module (TCM) Anti-lock brake control module with or without dynamic stability control (ABS/DSC) Engine control module (ECM) Standard corporate protocol (SCP) Generic electronic module (GEM) Instrument cluster (IC) In-car entertainment (ICE) Navigation system (NAV) Engine control module (ECM) International standards organization (ISO) Fuel fired heater module Reverse park aid module Restraints control module (RCM) Headlight levelling module (HID) Roof console scanner Domestic data bus (D2B) ICE head unit (HU) Compact disc changer (CD) Cellular phone module (CPM) Voice module (VACM) Navigation system module (NSM) Amplifier (AMP)

Electrical

Fuses Wiring harness Loose or corroded connections Correct engagement of electrical connectors Controller area network (CAN) Instrument cluster (IC) Steering wheel rotation sensor (SWRS) Gear selector module (GSI) Headlight levelling module (HID) Yaw rate sensor Electronic air temperature control module (EATCM) Memory seat control module Transmission control module (TCM) Anti-lock brake control module with or without dynamic stability control (ABS/DSC) Engine control module (ECM) Standard corporate protocol (SCP) Generic electronic module (GEM) Instrument cluster (IC) In-car entertainment (ICE) Navigation system (NAV) Engine control module (ECM) International standards organization (ISO) Fuel fired heater module Reverse park aid module Restraints control module (RCM) Headlight levelling module (HID) Roof console scanner Domestic data bus (D2B) ICE head unit (HU) Compact disc changer (CD) Cellular phone module (CPM) Voice module (VACM) Navigation system module (NSM) Amplifier (AMP)

Optical
Routing of fibre optic harnesses Correct engagement of optical connectors Correct placement of optical connectors (ring order) Damage to fibre (chafing, abrasion, kinking, cuts, etc) Correct assembly of optical connectors (backout, etc)

Visual Inspection Chart

Symptom Chart

Note. Network DTCs may be set by an error or communications failure in the network. Individual DTCs are in the table, alongside their respective modules, but may also be set by a combination of factors affecting the network, which would result in multiple DTCs being set for one error, or, as in the case of an open circuit, no DTC being set.

DTC	Description	Possible Source	Action
P1573	CAN throttle angle error	TP sensor fault (additional DTCs logged) ECM CAN message error	For TP sensor circuit tests, Refer to Electronic Engine Controls - 2.0L and Electronic Engine Controls - 2.5L/3.0L . Error message sent on CAN, but not CAN related. Check for additional DTCs indicating cause.
P1601	Incorrect ECM or TCM fitted to vehicle	ECM configuration TCM configuration	Configure the modules using the Jaguar approved diagnostic system.
P1603	TCM EEPROM failure	Battery disconnected while the ignition switched ON B+ power supply circuit; open circuit TCM failure	For TCM EEPROM tests, refer to Pinpoint Test B .
P1609	ECM microprocessor to microprocessor communication failure	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1611	ECM sub CPU failure	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1633	ECM main CPU failure	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1634	Throttle 'watch-dog' circuit malfunction	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1637	CAN ECM to ABS/TCCM or DSC control module network malfunction	Module power supply or ground interruption CAN open circuit fault; ABS/TCCM or DSC to ECM CAN short circuit fault ABS/TCCM or DSC module failure ECM failure	Refer to power and ground test for suspect module. For ABS/TCCM or DSC CAN circuit tests, refer to Pinpoint Test C . Please check part is not on any form of prior authorization before replacement.
P1638	CAN ECM / IC network malfunction	Module power supply or ground interruption CAN open circuit fault; IC to ECM CAN short circuit fault IC failure ECM failure	Refer to power and ground test for suspect module. For IC CAN circuit tests, refer to Pinpoint Test D . Please check part is not on any form of prior authorization before replacement.
P1642	CAN circuit malfunction	Module power supply or ground interruption CAN short circuit fault Control module failure; Check for additional logged DTCs to locate module source	Refer to power and ground test for suspect module. For network short circuit tests, refer to Pinpoint Test E .
P1643	CAN ECM / TCM network malfunction	Module power supply or ground interruption CAN open circuit fault; TCM to ECM CAN short circuit fault TCM failure ECM failure	Refer to power and ground test for suspect module. For CAN open circuit tests, refer to Pinpoint Test A . For network short circuit tests, refer to Pinpoint Test E . Please check part is not on any form of prior authorization before replacement.
P1646	ECM HO2 sensor control malfunction, right-hand bank	HO2 sensor heater failure HO2 sensor sensing circuit; short circuit to ground, short circuit to high voltage, open circuit ECM failure	For HO2 sensor circuit tests, Refer to Electronic Engine Controls - 2.0L and Electronic Engine Controls - 2.5L/3.0L . Please check part is not on any form of prior authorization before replacement.
P1647	ECM HO2 sensor control malfunction, left-hand bank	HO2 sensor heater failure HO2 sensor sensing circuit; short circuit to ground, short circuit to high voltage, open circuit ECM failure	For HO2 sensor circuit tests, Refer to Electronic Engine Controls - 2.0L and Electronic Engine Controls - 2.5L/3.0L . Please check part is not on any form of prior authorization before replacement.
P1648	ECM KS self-test failure	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1656	TP sensor amplifier circuit malfunction	ECM failure	Please check part is not on any form of prior authorization before replacement.
P1699	CAN ECM to EATCM network malfunction	Module power supply or ground interruption CAN open circuit fault; EATCM to ECM CAN short circuit fault; EATCM to ECM EATCM failure ECM failure	Refer to power and ground test for suspect module. For EATCM open circuit tests, refer to Pinpoint Test A . For network short circuit tests, refer to Pinpoint Test F . Please check part is not on any form of prior authorization before replacement.
P1777	CAN torque reduction error	ECM CAN message error	Error message sent on CAN, but not CAN related. Check for additional DTCs indicating cause.
P1796	CAN network malfunction	Module power supply or ground interruption CAN short circuit fault TCM failure	Refer to power and ground test for suspect module. For network short circuit test, refer to Pinpoint Test A .
P1797	CAN TCM/ECM network malfunction	Module power supply or ground interruption CAN open circuit fault; TCM to ECM CAN short circuit fault TCM failure ECM failure	Refer to power and ground test for suspect module. For TCM open/short circuit tests, refer to Pinpoint Test C .
P1799	CAN TCM to ABS/TCCM or DSC module network malfunction	Module power supply or ground interruption CAN short circuit fault ABS/TCCM or DSC module failure TCM failure	Refer to power and ground test for suspect module. For ABS/TCCM short circuit tests, refer to Pinpoint Test G .
U1041	GEM SCP network invalid vehicle speed data	ABS/DSC wheel speed message error SCP network error	For GEM SCP network tests, refer to Pinpoint Test H .
U1135	GEM SCP network invalid ignition switch data	Instrument cluster ignition switch message error SCP network error	For GEM SCP network tests, refer to Pinpoint Test H .
U1147	GEM anti-theft SCP network invalid ignition key-in data	GEM key-in message error SCP network error	For GEM SCP network tests, refer to Pinpoint Test H .
U1262	GEM SCP network ignition switch state message missing	SCP circuit(s); open circuit SCP network error	For GEM SCP network tests, refer to Pinpoint Test H .
U1262	ICE SCP network circuit fault	SCP network circuit; open circuit, short circuit to B+, short circuit to ground SCP network circuit fault Audio unit fault	For ICE SCP network tests, refer to Pinpoint Test I .
U1900	CAN instrumentation messages missing	Engine management, ABS, or DSC fault CAN network fault	For ABS/DSC CAN network tests, refer to Pinpoint Test G .
U1900	Automatic climate control CAN fault	CAN circuit; open circuit, short circuit to B+, short circuit to ground Automatic climate control module internal CAN fault CAN network fault	For EATC CAN network tests, refer to Pinpoint Test F .
U1900	ABS CAN fault	CAN circuit: open circuit, short circuit to B+, short circuit to ground ABS control module internal CAN fault CAN network fault	For ABS/DSC CAN network tests, refer to Pinpoint Test G .
U1900	DSC CAN fault	CAN circuit; open circuit, short circuit to B+, short circuit to ground DSC control module internal CAN fault CAN network fault	For ABS/DSC CAN network tests, refer to Pinpoint Test G .
U2003	CD autochanger not responding on D2B network	D2B network 'wake-up' circuit; short circuit to B+, short circuit to ground D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K . For CD autochanger D2B network tests, refer to Pinpoint Test J . For D2B permanent supply tests, refer to Pinpoint Test R .
U2008	Cellular telephone not responding on D2B network	D2B network 'wake-up' circuit; short circuit to B+, short circuit to ground D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K . For cellular telephone D2B network tests, refer to Pinpoint Test L . For D2B permanent supply tests, refer to Pinpoint Test R . For D2B accessory switched supply tests, refer to Pinpoint Test S . For D2B ignition switched supply tests, refer to Pinpoint Test T .
U2019	VACM not responding on D2B network	D2B network 'wake-up' circuit; short circuit to B+, short circuit to ground D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K . For VACM D2B network tests, refer to Pinpoint Test M . For D2B accessory switched supply tests, refer to Pinpoint Test S . For D2B ignition switched supply tests, refer to Pinpoint Test T .
U2196	Instrument cluster CAN engine speed message invalid	Verify integrity of engine management system CAN network fault	For instrument cluster CAN network tests, refer to Pinpoint Test D .
U2197	Instrument cluster CAN engine speed message invalid	Verify integrity of engine management system CAN network fault	For instrument cluster CAN network tests, refer to Pinpoint Test D .
U2199	Instrument cluster CAN engine coolant temperature message invalid	Verify integrity of engine management system CAN network fault	For instrument cluster CAN network tests, refer to Pinpoint Test D .
U2200	Instrument cluster CAN odometer count message invalid	Verify integrity of ABS or DSC systems CAN network fault	For instrument cluster CAN network tests, refer to Pinpoint Test D .
U2202	Invalid DSC control module CAN configuration data received from ECM	Reconfigure the ECM using the Jaguar approved diagnostic system CAN network fault	For ECM CAN network tests, refer to Pinpoint Test E .
U2202	Invalid ABS control module CAN configuration data received from ECM	Reconfigure the ECM using the Jaguar approved diagnostic system CAN network fault	For ECM CAN network tests, refer to Pinpoint Test E .
U2509	ECM unable to fulfill ABS CAN torque reduction request	Verify integrity of engine management system CAN network fault	For ABS/DSC CAN network tests, refer to Pinpoint Test G .
U2509	ECM unable to fulfill DSC CAN torque reduction request	Verify integrity of engine management system CAN network fault	For ABS/DSC CAN network tests, refer to Pinpoint Test G .
U2510 (security flash code 23)	Anti-theft ECM identification mismatch	ECM configuration fault Incorrect ECM installed	Reconfigure ECM using the Jaguar approved diagnostic system. Please check part is not on any form of prior authorization before replacement.
U2511	Anti-theft ECM invalid data	ECM configuration fault Incorrect ECM installed SCP network error	Reconfigure ECM using the Jaguar approved diagnostic system. Please check part is not on any form of prior authorization before replacement.
U2514	GEM wash/wipe SCP network vehicle speed message missing	SCP circuit(s); open circuit SCP network error	For GEM SCP network tests, refer to Pinpoint Test H .
U2520	Memory seats	CAN open circuit fault: memory seat module to diagnostic connector CAN short circuit fault Memory seat module failure	For CAN open/short circuit tests, refer to Pinpoint Test A .
U2600	Audio D2B network 'wake-up' circuit fault	D2B network 'wake-up' circuit; short circuit to B+	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2601	Audio D2B network 'wake-up' circuit fault	D2B network 'wake-up' circuit; short circuit to B+	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2601	Voice activation module D2B network 'wake-up' circuit fault	D2B network 'wake-up' circuit; short circuit to ground	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2602	Break in optical ring FROM ICE head unit (transmitter)	D2B network module disconnected D2B network optical ring broken	For optical ring tests, refer to Pinpoint Test P .
U2603	Break in optical ring TO ICE head unit (receiver)	D2B network module disconnected D2B network optical ring broken	For optical ring tests, refer to Pinpoint Test Q .
U2609	Voice activation module D2B network 'wake-up' signal out of specification	D2B network 'wake-up' circuit; high resistance Voice activation module failure	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2610	Voice activation module D2B network 'position status report' not received	D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2611	Voice activation module D2B network 'alarm clear command' not received	D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K .
U2613	Navigation control module not responding on D2B network	D2B network 'wake-up' circuit; short circuit to B+, short circuit to ground D2B network fault Module permanent supply fault Module accessory switched supply fault Module ignition switched supply fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K . For navigation module optical tests, refer to Pinpoint Test N . For D2B permanent supply tests, refer to Pinpoint Test R . For D2B accessory switched supply tests, refer to Pinpoint Test S .
U2614	Amplifier not responding on D2B network	D2B network 'wake-up' circuit; short circuit to B+, short circuit to ground D2B network fault	For D2B 'wake-up' circuit tests, refer to Pinpoint Test K . For amplifier optical tests, refer to Pinpoint Test O . For D2B permanent supply tests, refer to Pinpoint Test R . For D2B accessory switched supply tests, refer to Pinpoint Test S .
None	ISO circuit malfunction, RCM	RCM K-line circuit; open circuit RCM K-line circuit; short circuit	For RCM ISO tests, refer to Pinpoint Test AP .
None	ISO circuit malfunction, HID module	HID module K-line circuit; open circuit HID module K-line circuit; short circuit	For HID module ISO tests, refer to Pinpoint Test AQ .
None	ISO circuit malfunction, roof console module	Roof console module K-line circuit; open circuit Roof console module K-line circuit; short circuit	For roof console module ISO tests, refer to Pinpoint Test AR .
None	ISO circuit malfunction, reverse park aid module	Reverse park aid module K-line circuit; open circuit Reverse park aid module K-line circuit; short circuit	For reverse park aid module ISO tests, refer to Pinpoint Test AS .
None	ISO circuit malfunction, ECM	ECM K-line circuit; open circuit ECM K-line circuit; short circuit	For ECM ISO tests, refer to Pinpoint Test AT .
None	ISO circuit malfunction, fuel fired heater (FFH) module	FFH module K-line circuit; open circuit FFH module K-line circuit; short circuit	For FFH module ISO tests, refer to Pinpoint Test AU .

Power and Ground circuit test index

Modules may log DTCs if the power supply or GROUND is interrupted. Supply and GROUND tests are covered below by module name.

Description	Possible source	Action
IC supply or ground fault	B+ supply failure Ign+ supply failure Acc+ supply failure GROUND failure	For IC circuit tests, refer to Pinpoint Test U .
SWRS supply or ground fault	Module supply failure GROUND failure	For SWRS circuit tests, refer to Pinpoint Test V .
Yaw rate sensor supply or ground fault	Module supply failure GROUND failure	For yaw rate sensor circuit tests, refer to Pinpoint Test W .
ABS/TCCM supply or ground fault	Ign+ supply failure Pump+ supply failure Solenoid+ supply failure GROUND failure Motor GROUND failure	For ABS/TCCM circuit tests, refer to Pinpoint Test X .
DSC module supply or ground fault	Ign+ supply failure Pump+ supply failure Solenoid+ supply failure GROUND failure Motor GROUND failure	For DSC module circuit tests, refer to Pinpoint Test Y .
GSI module supply or ground fault	Ign+ supply failure GROUND failure	For GSI module circuit tests, refer to Pinpoint Test Z .
HID module supply or ground fault	Ign+ supply failure GROUND failure	For HID module circuit tests, refer to Pinpoint Test AA .
EATC module supply or ground fault	B+ supply failure B+save supply failure Ign+ supply failure GROUND failure	For EATC module circuit tests, refer to Pinpoint Test AB .
Memory seat module supply or ground fault	B+1 supply failure B+2 supply failure Ign+ supply failure Electronic GROUND failure Power GROUND failure Signal GROUND failure	For memory seat module circuit tests, refer to Pinpoint Test AC .
TCM supply or ground fault (16 bit)	B+ supply failure Ign+ supply failure GROUND failure	For 16 bit TCM circuit tests, refer to Pinpoint Test AD .
TCM supply or ground fault (32 bit)	B+ supply failure Ign+ supply failure GROUND failure	For 32 bit TCM circuit tests, refer to Pinpoint Test AE .
ECM supply or ground fault, vehicles with 2.0L petrol engine	B+memory supply failure Control supply failure GROUND failure	For ECM circuit tests, vehicles with 2.0L petrol engines, refer to Pinpoint Test AF .
ECM supply or ground fault, vehicles with 2.5/3.0L petrol engine	B+memory supply failure Control supply failure GROUND failure	For ECM circuit tests, vehicles with 2.5/3.0L petrol engines, refer to Pinpoint Test AG .
ECM supply or ground fault, vehicles with 2.0L diesel engine	Vpwr supply failure Control supply failure GROUND failure	For ECM circuit tests, vehicles with 2.0L diesel engines, refer to Pinpoint Test AH .
ICE supply or ground fault	B+memory supply failure Acc+ supply failure GROUND failure	For ICE circuit tests, refer to Pinpoint Test AI .
CD supply or ground fault	B+ supply failure GROUND failure	For CD changer circuit tests, refer to Pinpoint Test AJ .
NAV module supply or ground fault	B+ supply failure Acc+ supply failure GROUND failure	For NAV module circuit tests, refer to Pinpoint Test AK .
FFH module supply or ground fault	B+ supply failure Ign+ supply failure GROUND failure	For FFH module circuit tests, refer to Pinpoint Test AL .
Park aid module supply or ground fault	Ign+ supply failure GROUND failure	For park aid module circuit tests, refer to Pinpoint Test AM .
RCM supply or ground fault	Ign+ supply failure GROUND failure	For RCM circuit tests, refer to Pinpoint Test AN .
GEM supply or ground fault	B+ supply failure	For GEM circuit tests, refer to Pinpoint Test AO .
Amplifier supply or ground fault	B+ supply failure GROUND failure	For amplifier circuit tests, refer to Pinpoint Test AV .

Pinpoint Test A: CHECK THE CONTROLLER AREA NETWORK (CAN) CONTINUITY

Note. The following test is based on the maximum number of modules in the network. Refer to the appropriate SYSTEM WIRING DIAGRAMS article for information on networks with fewer modules.

Pinpoint Test A

A1 CHECK THE RESISTANCE OF THE CAN NETWORK

Turn the ignition switch to the OFF position.
Measure the resistance between pins 06 (Y) and 14 (G) of the diagnostic connector.

Is the resistance between 50 and 70 ohms?

YES Go to step 3 . → A3

NO Go to step 2 . → 2

A2 CHECK THE CAN NETWORK FOR SHORT CIRCUIT

Turn the ignition switch to the OFF position.
Measure the resistance between pins 06 (Y) and 14 (G) of the diagnostic connector.

Is the resistance less than 50 ohms?

YES CHECK the network for short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK THE CAN + CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE STEERING WHEEL ROTATION SENSOR

Disconnect the steering wheel rotation sensor connector, IP19.
Measure the resistance between IP19, pin 03 (Y) and the diagnostic connector, pin 06 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK THE CAN - CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE STEERING WHEEL ROTATION SENSOR

Measure the resistance between IP19, pin 04 (G) and the diagnostic connector, pin 14 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 5 . → 5

A5 CHECK THE CAN + CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE YAW RATE SENSOR

Disconnect the yaw rate sensor connector, IP20.
Measure the resistance between IP20, pin 03 (Y) and the diagnostic connector, pin 06 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 6 . → 6

A6 CHECK THE CAN - CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE YAW RATE SENSOR

Measure the resistance between IP20, pin 02 (G) and the diagnostic connector, pin 14 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 7 . → 7

A7 CHECK THE CAN + CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE MEMORY SEAT MODULE (WHERE FITTED)

Disconnect the memory seat module connector, DM01.
Measure the resistance between DM01, pin 12 (Y) and the diagnostic connector, pin 06 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 8 . → 8

A8 CHECK THE CAN - CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE MEMORY SEAT MODULE (WHERE FITTED)

Measure the resistance between DM01, pin 02 (G) and the diagnostic connector, pin 14 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 9 . → 9

A9 CHECK THE CAN + CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ABS/DSC MODULE

Disconnect the ABS/TCCM connector, JB45, or DSC module connector, JB185.
Measure the resistance between JB45/JB185, pin 24 (Y) and the diagnostic connector, pin 06 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 10 . → 10

A10 CHECK THE CAN - CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ABS/DSC MODULE

Measure the resistance between JB45/JB185, pin 40 (G) and the diagnostic connector, pin 14 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 11 . → 11

A11 CHECK THE CAN + CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE HID MODULE (WHERE FITTED)

Disconnect the HID module connector, IP130.
Measure the resistance between IP130, pin 02 (Y) and the diagnostic connector, pin 06 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO Go to step 12 . → 12

A12 CHECK THE CAN - CIRCUIT BETWEEN THE DIAGNOSTIC CONNECTOR AND THE HID MODULE (WHERE FITTED)

Measure the resistance between IP130, pin 03 (G) and the diagnostic connector, pin 14 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. Clear any DTCs, test the system for normal operation.

NO NO circuit fault found. Check DTCs for indications of a module fault.

Pinpoint Test L: P1603. TCM EEPROM FAILURE

Pinpoint Test L

L1 DTC SET BY 3 POSSIBLE FACTORS

Check battery voltage.

Has the battery been discharged to a voltage where the engine would not crank?

YES CHARGE and test the battery. Install a new battery, if required. Refer to «Battery»(ref-311867-S19994281762009040700000) . Carry out a drive-cycle. The vehicle may lose it's adaptive values and will need to re-learn them. These values will depend on the owner's driving style, and can only be learnt by normal use.

NO Go to step 2 . → 2

L2 DTC SET BY 3 POSSIBLE FACTORS

Check the TCM for signs of water ingress.

Does the TCM show any indication of water ingress?

YES INSTALL a new TCM. Refer to «Transmission Control Module (TCM)»(ref-311854) . CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

L3 DTC SET BY 3 POSSIBLE FACTORS

Check if the battery has been disconnected with the ignition switched on.

Has the battery been disconnected with the ignition switched on?

YES CARRY out a drive-cycle. For additional information, refer to the DTC section of JTIS. The vehicle may lose it's adaptive values and will need to re-learn them. These values will depend on the owner's driving style, and can only be learnt by normal use.

NO INSTALL a new TCM. Refer to «Transmission Control Module (TCM)»(ref-311854) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test A: P1637: CAN NETWORK MALFUNCTION, TRANSMISSION CONTROL MODULE (TCM)

Pinpoint Test A

A1 CHECK TCM FOR DAMAGE

Inspect the TCM

Does the TCM indicate any signs of damage?

YES INSTALL a new TCM. Refer to «Transmission Control Module (TCM)»(ref-311854) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

A2 CHECK CAN + FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 06, (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK CAN + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 06, (Y) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK CAN - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 14 (G) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

A5 CHECK CAN - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pin 14 (G) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

A6 CHECK FOR SHORT CIRCUIT BETWEEN CAN + AND CAN -

Measure the resistance between the diagnostic connector, pins 6 (Y) and 14 (G).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

A7 CHECK FOR OPEN CIRCUIT ON CAN + BETWEEN DIAGNOSTIC CONNECTOR AND THE TCM

Disconnect the battery negative terminal.
Vehicles with 16 bit modules
Vehicles with 32 bit modules

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

A8 CHECK FOR OPEN CIRCUIT ON CAN - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE TCM

Measure the resistance between the diagnostic connector, pin 14 (G) and
Vehicles with 16 bit modules
Vehicles with 32 bit modules

Is the resistance less than 5 ohms?

YES Go to step 9 . → A9

NO REPAIR the CAN - circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

A9 CHECK FOR CORRECT BUS TERMINATION

Reconnect the TCM connector, JB131 or JB230.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance between 50 and 70 ohms?

YES INSTALL a new TCM. Refer to «Transmission Control Module (TCM)»(ref-311854) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

A10 CHECK CONTINUITY OF THE CAN + CIRCUIT BETWEEN THE ECM AND THE IC

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the CAN + circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

A11 CHECK CONTINUITY OF THE CAN - CIRCUIT BETWEEN THE ECM AND THE IC

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the CAN - circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 12 . → 12

A12 CHECK FOR LOSS OF TERMINATION WITHIN THE ECM

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance between 110 and 140 ohms?

YES Go to step 13 . → A13

NO Please check part is not on any form of prior authorization before replacement.

A13 CHECK FOR LOSS OF TERMINATION WITHIN THE IC

Measure the resistance between pins 17 and 18 of the IC.

Is the resistance between 110 and 140 ohms?

YES POSSIBLE intermittent fault. Recheck DTCs.

NO INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test A: P1638: CAN NETWORK MALFUNCTION, INSTRUMENT CLUSTER (IC)

Pinpoint Test A

A1 CHECK THE IC FOR DAMAGE

Inspect the IC for damage.

Does the IC indicate any signs of damage?

YES INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

A2 CHECK CAN + FOR SHORT CIRCUIT TO GROUND

Turn the ignition switch to the OFF position.
Measure the resistance between the diagnostic connector, pin 06 (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK CAN + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pin 06 (Y) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK CAN - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 14 (G) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

A5 CHECK CAN - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 14 (G) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

A6 CHECK FOR SHORT CIRCUIT BETWEEN CAN + AND CAN -

Disconnect the battery negative terminal.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

A7 CHECK FOR OPEN CIRCUIT ON CAN + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE IC

Disconnect the IC connector, IP10.
Measure the resistance between the diagnostic connector, pin 06 (Y) and IP10, pin 17 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

A8 CHECK FOR OPEN CIRCUIT ON CAN - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE IC

Measure the resistance between the diagnostic connector, pin 14 (G) and IP10, pin 18 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

A9 CHECK FOR CORRECT BUS TERMINATION

Reconnect the IC connector, IP10.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance between 50 and 70 ohms?

YES INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

A10 CHECK CONTINUITY OF THE CAN + CIRCUIT BETWEEN THE ECM AND THE IC

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

A11 CHECK CONTINUITY OF THE CAN - CIRCUIT BETWEEN THE ECM AND THE IC

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 12 . → 12

A12 CHECK FOR LOSS OF TERMINATION WITHIN THE ECM

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance between 110 and 140 ohms?

YES Go to step 13 . → A13

NO Please check part is not on any form of prior authorization before replacement.

A13 CHECK FOR LOSS OF TERMINATION WITHIN THE IC

Measure the resistance between pins 17 and 18 of the IC.

Is the resistance between 110 and 140 ohms?

YES Possible intermittent fault. Recheck DTCs.

NO INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test A: P1642; P1643; P1797: CAN NETWORK MALFUNCTION, ECM

Pinpoint Test A

A1 CHECK THE ECM FOR DAMAGE

Inspect the ECM.

Does the ECM indicate any signs of damage?

YES Please check part is not on any form of prior authorization before replacement.

NO Go to step 2 . → 2

A2 CHECK CAN + FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 06, (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK CAN + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pin 06, (Y) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK CAN - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 14 (G) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

A5 CHECK CAN - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 14 (G) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

A6 CHECK FOR SHORT CIRCUIT BETWEEN CAN + AND CAN -

Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

A7 CHECK FOR OPEN CIRCUIT ON CAN + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ECM

Disconnect the battery negative terminal.
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

A8 CHECK FOR OPEN CIRCUIT ON CAN - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ECM

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

A9 CHECK FOR CORRECT BUS TERMINATION

Reconnect the ECM connector.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance between 50 and 70 ohms?

YES Please check part is not on any form of prior authorization before replacement.

NO Go to step 10 . → 10

A10 CHECK CONTINUITY OF THE CAN + CIRCUIT

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

A11 CHECK CONTINUITY OF THE CAN - CIRCUIT

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 12 . → 12

A12 CHECK FOR LOSS OF TERMINATION WITHIN THE ECM

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance between 110 and 140 ohms?

YES Go to step 13 . → A13

NO Please check part is not on any form of prior authorization before replacement.

A13 CHECK FOR LOSS OF TERMINATION WITHIN THE IC

Measure the resistance between pins 17 and 18 of the IC.

Is the resistance between 110 and 140 ohms?

YES Possible intermittent fault. Recheck DTCs.

NO INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test C: P1699: CAN NETWORK MALFUNCTION, ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE

Pinpoint Test C

C1 CHECK THE EATC MODULE FOR DAMAGE

Inspect the EATC module for damage.

Does the EATC module indicate any signs of damage?

YES INSTALL a new EATC module. Refer to «Climate Control System»(ref-311839) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

C2 CHECK CAN + FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 06 (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

C3 CHECK CAN + FOR SHORT CIRCUIT TO BATTERY

Turn the ignition switch to the OFF position.
Measure the resistance between the diagnostic connector, pin 06 (Y) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

C4 CHECK CAN - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 14 (G) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

C5 CHECK CAN - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pin 14 (G) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

C6 CHECK FOR SHORT CIRCUIT BETWEEN CAN + AND CAN -

Disconnect the battery negative terminal.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

C7 CHECK FOR OPEN CIRCUIT ON CAN + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE EATC MODULE

Disconnect the EATC module connector, IP101.
Measure the resistance between the diagnostic connector, pin 06 (Y) and IP101, pin 22 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

C8 CHECK FOR OPEN CIRCUIT ON CAN - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE EATC MODULE

Measure the resistance between the diagnostic connector, pin 14 (G) and IP101, pin 23 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

C9 CHECK FOR CORRECT BUS TERMINATION

Reconnect the EATC module connector, IP101.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance between 50 and 70 ohms?

YES INSTALL a new EATC module. Refer to «Climate Control System»(ref-311839) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

C10 CHECK CONTINUITY OF THE CAN + CIRCUIT BETWEEN THE ECM AND THE IC

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

C11 CHECK CONTINUITY OF THE CAN - CIRCUIT BETWEEN THE ECM AND THE IC

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 12 . → 12

C12 CHECK FOR LOSS OF TERMINATION WITHIN THE ECM

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance between 110 and 140 ohms?

YES Go to step 13 . → C13

NO Please check part is not on any form of prior authorization before replacement.

C13 CHECK FOR LOSS OF TERMINATION WITHIN THE IC

Measure the resistance between pins 17 and 18 of the IC.

Is the resistance between 110 and 140 ohms?

YES POSSIBLE intermittent fault. Recheck DTCs.

NO INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test A: P1799: CAN NETWORK MALFUNCTION, ANTI-LOCK BRAKE (ABS)/DYNAMIC STABILITY CONTROL (DSC) CONTROL MODULE

Pinpoint Test A

A1 CHECK THE ABS OR DSC MODULE FOR DAMAGE

Inspect the ABS/TCCM or DSC module.

Does the ABS/TCCM or DSC module indicate any signs of damage?

YES INSTALL a new ABS/TCCM or DSC module. Refer to «Hydraulic Control Unit (HCU)»(ref-311870-S11531618062009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

A2 CHECK CAN + FOR SHORT CIRCUIT TO GROUND

Turn the ignition switch to the OFF position.
Measure the resistance between the diagnostic connector, pin 06 (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK CAN + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pin 06, (Y) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK CAN - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 14 (G) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

A5 CHECK CAN - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 14 (G) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

A6 CHECK FOR SHORT CIRCUIT BETWEEN CAN + AND CAN -

Disconnect the battery negative terminal.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

A7 CHECK FOR OPEN CIRCUIT ON CAN + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ABS OR DSC MODULE

Disconnect the ABS/TCCM connector, JB45, or DSC module connector, JB185.
Measure the resistance between the diagnostic connector, pin 06 (Y) and JB45/JB185, pin 24 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

A8 CHECK FOR OPEN CIRCUIT ON CAN - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ABS OR DSC MODULE

Measure the resistance between the diagnostic connector, pin 14 (G) and JB45/JB185, pin 40 (G).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

A9 CHECK FOR CORRECT BUS TERMINATION

Reconnect the ABS/TCCM module connector, JB45, or DSC module connector, JB185.
Measure the resistance between the diagnostic connector, pins 06 (Y) and 14 (G).

Is the resistance between 50 and 70 ohms?

YES INSTALL a new ABS/TCCM module, or DSC module. Refer to «Hydraulic Control Unit (HCU)»(ref-311870-S11531618062009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

A10 CHECK CONTINUITY OF THE CAN + CIRCUIT BETWEEN THE ECM AND THE IC

To test
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

A11 CHECK CONTINUITY OF THE CAN - CIRCUIT

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 12 . → 12

A12 CHECK FOR LOSS OF TERMINATION WITHIN THE ECM

Measure the resistance between
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine
Vehicles with 2.0L diesel engine

Is the resistance between 110 and 140 ohms?

YES Go to step 13 . → A13

NO Please check part is not on any form of prior authorization before replacement.

A13 CHECK FOR LOSS OF TERMINATION WITHIN THE IC

Measure the resistance between pins 17 and 18 of the instrument cluster.

Is the resistance between 110 and 140 ohms?

YES Possible intermittent fault. Recheck DTCs. Repeat tests from A1.

NO INSTALL a new instrument cluster. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test E: SCP NETWORK MALFUNCTION, GENERIC ELECTRONIC MODULE (GEM)

Pinpoint Test E

E1 CHECK GEM FOR DAMAGE

Inspect the GEM for damage.

Does the GEM indicate any signs of damage?

YES INSTALL a new GEM. Refer to «Generic Electronic Module (GEM)»(ref-311923-S36983963702009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

E2 CHECK THE SCP + FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 02 (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

E3 CHECK THE SCP + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 02 (Y) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

E4 CHECK THE SCP - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 10 (U) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

E5 CHECK THE SCP - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 10 (U) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

E6 CHECK FOR SHORT CIRCUIT BETWEEN SCP + AND SCP -

Measure the resistance between the diagnostic connector, pins 10 (U) and 02, (Y).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

E7 CHECK FOR OPEN CIRCUIT ON SCP + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE GEM

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the GEM connector, IP05.
Measure the resistance between the diagnostic connector, pin 02 (Y) and IP05, pin 19 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

E8 CHECK FOR OPEN CIRCUIT ON SCP - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE GEM

Measure the resistance between the diagnostic connector, pin 10 (U) and IP05, pin 18 (U).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

E9 CHECK FOR CORRECT BUS TERMINATION ON SCP +

Reconnect the battery negative terminal.
Reconnect the GEM connector, IP05.
Measure the resistance between the diagnostic connector, pin 02 (Y) and GROUND.

Is the resistance 150 to 210 ohms?

YES INSTALL a new GEM. Refer to «Generic Electronic Module (GEM)»(ref-311923-S36983963702009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

E10 CHECK THE CONTINUITY OF THE GENERIC ELECTRONIC MODULE (GEM) SCP + CIRCUIT

Disconnect the battery negative terminal.
Disconnect the GEM connector, IP05.
Measure the resistance between the diagnostic connector, pin 02 (Y) and IP05, pin 19 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

E11 CHECK FOR LOSS OF SCP + TERMINATION WITHIN THE GEM

Disconnect the GEM connector, IP06.
Measure the resistance between IP05, pin 19, and IP06, pin 01 of the GEM.

Is the resistance 320 to 400 ohms?

YES Go to step 12 . → E12

NO INSTALL a new GEM. Refer to «Generic Electronic Module (GEM)»(ref-311923-S36983963702009040700000) . CLEAR the DTC, test the system for normal operation.

E12 CHECK CONTINUITY OF THE INSTRUMENT CLUSTER (IC) SCP + CIRCUIT

Disconnect the IC connector, IP10.
Measure the resistance between the diagnostic connector, pin 02 (Y) and IP10, pin 22 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 13 . → 13

E13 CHECK FOR LOSS OF SCP + TERMINATION WITHIN THE INSTRUMENT CLUSTER

Measure the resistance between pins 22 and 08 of the IC.

Is the resistance 320 to 400 ohms?

YES Possible intermittent fault. Recheck DTCs.

NO INSTALL a new IC. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test B: SCP NETWORK MALFUNCTION, IN CAR ENTERTAINMENT (ICE) HEAD

Pinpoint Test B

B1 CHECK ICE FOR DAMAGE

Inspect the ICE head for damage.

Does the ICE head indicate any signs of damage?

YES INSTALL a new ICE head. Refer to «Audio Unit»(ref-311916-S25600179912009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

B2 CHECK THE SCP + FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 02 (Y) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

B3 CHECK THE SCP + FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 02 (Y) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

B4 CHECK THE SCP - FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 10 (U) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 5 . → 5

B5 CHECK THE SCP - FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 10 (U) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 6 . → 6

B6 CHECK FOR SHORT CIRCUIT BETWEEN SCP + AND SCP -

Measure the resistance between the diagnostic connector, pins 10 (U) and 02 (Y).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 7 . → 7

B7 CHECK FOR OPEN CIRCUIT ON SCP + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ICE HEAD UNIT

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the ICE connector, IP65.
Measure the resistance between the diagnostic connector, pin 02 (Y) and IP65, pin 09 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 8 . → 8

B8 CHECK FOR OPEN CIRCUIT ON SCP - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ICE HEAD UNIT

Measure the resistance between the diagnostic connector, pin 10 (U) and IP65, pin 10 (U).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 9 . → 9

B9 CHECK FOR CORRECT BUS TERMINATION ON SCP +

Reconnect the ICE connector, IP65.
Reconnect the battery negative terminal.
Measure the resistance between the diagnostic connector, pin 02 (Y) and GROUND.

Is the resistance 150 to 210 ohms?

YES INSTALL a new ICE head unit. Refer to «Audio Unit»(ref-311916-S25600179912009040700000) . CLEAR the DTC, test the system for normal operation.

NO Go to step 10 . → 10

B10 CHECK THE CONTINUITY OF THE GENERIC ELECTRONIC MODULE (GEM) SCP + CIRCUIT

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the GEM connector, IP05.
Measure the resistance between IP22, pin 02 (Y) and IP05, pin 19 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 11 . → 11

B11 CHECK FOR LOSS OF SCP + TERMINATION WITHIN THE GEM

Disconnect the GEM connector, IP06.
Measure the resistance between IP05, pin 19, and IP06, pin 01 of the GEM.

Is the resistance 320 to 400 ohms?

YES Go to step 12 . → B12

NO INSTALL a new GEM. Refer to «Generic Electronic Module (GEM)»(ref-311923-S36983963702009040700000) .

B12 CHECK CONTINUITY OF THE IC SCP + CIRCUIT

Disconnect the IC connector, IP10.
Measure the resistance between the diagnostic connector, pin 02 (Y) and IP10, pin 22 (Y).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 13 . → 13

B13 CHECK FOR LOSS OF SCP + TERMINATION WITHIN THE IC

Measure the resistance between IP10, pin 22 (Y) and IP11, pin 08 of the IC.

Is the resistance 320 to 400 ohms?

YES Possible intermittent fault. Recheck DTCs.

NO INSTALL a new IC. Refer to «Instrument Cluster»(ref-311863) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test J: U2003: COMPACT DISC CHANGER NOT RESPONDING

CAUTION

The following tests involve disconnection of the fibre optic harnesses. The harness connectors must be protected by suitable dust caps as soon as they are disconnected, or damage may result. The use of tools to unlatch connectors must be avoided, or the connector locking function may be lost. Failure to follow this instruction may result in damage to the vehicle.

Note. The following test sequence is based on a five node network. Refer to the appropriate SYSTEM WIRING DIAGRAMS article for network configuration for networks with a different number of nodes (all possible network combinations are shown in the appropriate SYSTEM WIRING DIAGRAMS article).

Note. Should a break occur in the D2B ring, then codes, U2602, or U2603 will be set, depending on the location of the break. U2602 will set if the break is in the optical harness FROM the ICE head unit (the transmitter signal). U2603 will set if the break is in the optical harness TO the ICE head unit (the receiver signal). Refer to Pinpoint Test P . Refer to Pinpoint Test Q .

Pinpoint Test J

J1 CHECK CD CHANGER MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic lead connector, CD02.
Set the Optical Bus Tester to BY-PASS .
Clear the DTC.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for 'not responding' DTCs.

Is U2003 set?

YES CHECK the 'wake-up' signal to the module.

NO Go to step 2 . → 2

J2 CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?

YES CHECK for break in optical harness.

NO Recheck DTCs. No break in optical harness.

Pinpoint Test K: ONE OR MORE D2B MODULES NOT RESPONDING. 'WAKE-UP' SIGNAL FAULT

Note. The D2B 'wake-up' signal is not a constant, but will generate a pulse at each cycle of the ignition key. The ignition key must be turned to the OFF position following each step of the tests, and turned to the position indicated by the test step for each module. To avoid missing the signal, use an assistant to operate the key while reading the oscilloscope. The 'wake-up' line is battery voltage, switching to 0 volts for between 50 milliseconds and 110 milliseconds as the ICE head unit sends it's signal.

Pinpoint Test K

K1 CHECK THE 'WAKE-UP' SIGNAL TO THE CD CHANGER

Disconnect the CD changer connector, CA301.
Turn the ignition switch to the ACC position.
Measure the voltage between CA301, pin 03 (O) and GROUND, using an oscilloscope (see note above).

Does the oscilloscope show a 'wake-up' signal as described?

YES Go to step 2 . → K2

NO REPAIR the circuit between CA301, pin 03 and the ICE head unit connector, IP65, pin 19. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC. TEST the system for normal operation.

K2 CHECK THE 'WAKE-UP' SIGNAL TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Turn the ignition switch to the ACC position.
Measure the voltage between PH02, pin 14 (O) and GROUND, using an oscilloscope (see note above).

Does the oscilloscope show a 'wake-up' signal as described?

YES Go to step 3 . → K3

NO REPAIR the circuit between PH02, pin 14 and the ICE head unit connector, IP65, pin 19. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC. TEST the system for normal operation.

K3 CHECK THE 'WAKE-UP' SIGNAL TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Turn the ignition switch to the ACC position.
Measure the voltage between PH01, pin 23 (O) and GROUND, using an oscilloscope (see note above).

Does the oscilloscope show a 'wake-up' signal as described?

YES Go to step 4 . → K4

NO REPAIR the circuit between PH01, pin 23 and the ICE head unit connector, IP65, pin 19. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

K4 CHECK THE 'WAKE-UP' SIGNAL TO THE NAVIGATION COMPUTER

Disconnect the navigation system connector, NA07.
Turn the ignition switch to the ACC position.
Measure the voltage between NA07, pin 03 (O) and GROUND, using an oscilloscope (see note above).

Does the oscilloscope show a 'wake-up' signal as described?

YES Go to step 5 . → K5

NO REPAIR the circuit between NA07, pin 03 and the ICE head unit connector, IP65, pin 19. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

K5 CHECK THE 'WAKE-UP' SIGNAL TO THE AMPLIFIER

Disconnect the amplifier connector, CA425.
Turn the ignition switch to the ACC position.
Measure the voltage between CA425, pin 05 (O) and GROUND, using an oscilloscope (see note above).

Does the oscilloscope show a 'wake-up' signal as described?

YES CHECK for DTCs indicating a module failure.

NO REPAIR the circuit between CA425, pin 05 and the ICE head unit connector, IP65, pin 19. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

Pinpoint Test L: U2008: 'PHONE MODULE NOT RESPONDING

Pinpoint Test L

L1 CHECK 'PHONE MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic lead connector, CD03.
Set the Optical Bus Tester to BY-PASS .
Clear the DTC.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for 'not responding' DTCs.

Is U2008 set?

YES CHECK the 'wake-up' signal to the module.

NO Go to step 2 . → 2

L2 CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?

YES CHECK for break in optical harness.

NO RECHECK DTCs. No break in optical harness.

Pinpoint Test M: U2019: VOICE CONTROL MODULE NOT RESPONDING

Pinpoint Test M

M1 CHECK VOICE CONTROL MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic lead connector, CD04.
Set the Optical Bus Tester to BY-PASS .
Clear the DTC.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for 'not responding' DTCs.

Is U2019 set?

YES CHECK the 'wake-up' signal to the module.

NO Go to step 2 . → 2

M2 CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?

YES CHECK for break in optical harness.

NO RECHECK DTCs. No break in optical harness.

Pinpoint Test N

N1 CHECK NAVIGATION CONTROL MODULE, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic connector, CD05.
Set the Optical Bus Tester to BY-PASS .
Clear the DTC.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for DTCs.

Is U2613 set?

YES CHECK the 'wake-up' signal to the module.

NO Go to step 2 . → 2

N2 CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?

YES CHECK for break in optical harness.

NO RECHECK DTCs. No break in optical harness.

Pinpoint Test O: U2614: AMPLIFIER NOT RESPONDING

Pinpoint Test O

O1 CHECK AMPLIFIER, USING OPTICAL BUS TESTER

Connect the Optical Bus Tester to the fibre optic connector, CD07.
Set the Optical Bus Tester to BY-PASS .
Clear the DTC.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for DTCs.

Is U2614 set?

YES CHECK the 'wake-up' signal to the module.

NO Go to step 2 . → 2

O2 CHECK FOR DTC U2602 OR U2603

Check DTCs.

Are codes U2602 or U2603 logged?

YES CHECK for break in optical harness.

NO RECHECK DTCs. No break in optical harness.

Pinpoint Test P: U2602: BREAK IN OPTICAL HARNESS FROM ICE HEAD UNIT (TRANSMITTER)

Pinpoint Test P

P1 CHECK FIBRE OPTIC LEAD BETWEEN LUGGAGE COMPARTMENT JOINT AND CD CHANGER

Disconnect the fibre optic connector, CD02.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to the fibre optic connector, CD06.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, CD02.

Are light pulses visible?

YES Go to step 2 . → P2

NO INSTALL a new telematic harness between CD06 and CD02. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P2 CHECK CABIN FIBRE OPTIC HARNESS

Disconnect the fibre optic connector, CD01.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to CD01 using adaptor lead.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, CD06.

Are light pulses visible?

YES Go to step 3 . → P3

NO INSTALL a new cabin optical harness between CD06 and CD01. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P3 CHECK FIBRE OPTIC LEAD BETWEEN 'A' POST AND ICE HEAD UNIT

Disconnect the fibre optic connector, ID01.
Connect the Optical Bus Tester to ID01 using the adaptor lead.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, CD001.

Are light pulses visible?

YES Go to step 4 . → P4

NO INSTALL a new instrument optical harness between CD01 and ID01. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P4 CHECK THE ICE HEAD UNIT

Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for light pulses at the transmitter pin of disconnected D2B connector, ID01 (rear of ICE head unit).

Are light pulses visible?

YES Go to step 5 . → P5

NO INSTALL a new ICE head unit, Refer to «Audio Unit»(ref-311916-S25600179912009040700000) . CLEAR the DTC, test the system for normal operation.

P5 CHECK THE FIBRE OPTIC LEAD FROM THE CD CHANGER TO THE 'PHONE MODULE

Disconnect the fibre optic connector CD02.
Disconnect the fibre optic connector CD03.
Connect the Optical Bus Tester to CD02.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the transmitter pin of disconnected D2B connector, CD03.

Are light pulses visible?

YES Go to step 6 . → P6

NO INSTALL a new telematic harness between CD03 and CD02. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P6 CHECK THE FIBRE OPTIC LEAD FROM THE 'PHONE MODULE TO THE VOICE MODULE

Disconnect the fibre optic connector CD04.
Connect the Optical Bus Tester to CD03.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the transmitter pin of disconnected D2B connector, CD04.

Are light pulses visible?

YES Go to step 7 . → P7

NO INSTALL a new telematic harness between CD03 and CD04. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P7 CHECK THE FIBRE OPTIC LEAD FROM THE VOICE MODULE TO THE NAVIGATION COMPUTER

Disconnect the fibre optic connector CD04.
Disconnect the fibre optic connector CD05.
Connect the Optical Bus Tester to CD04.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the transmitter pin of disconnected D2B connector, CD05.

Are light pulses visible?

YES Go to step 8 . → P8

NO INSTALL a new telematic harness between CD05 and CD04. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

P8 CHECK THE FIBRE OPTIC LEAD FROM THE NAVIGATION COMPUTER TO THE AMPLIFIER

Disconnect the fibre optic connector CD07.
Disconnect the fibre optic connector CD05.
Connect the Optical Bus Tester to CD05.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the transmitter pin of disconnected D2B connector, CD07.

Are light pulses visible?

YES CHECK for DTC U2603.

NO INSTALL a new telematic harness between CD05 and CD07. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

Pinpoint Test Q: U2603: BREAK IN OPTICAL HARNESS TO ICE HEAD UNIT (RECEIVER)

Pinpoint Test Q

Q1 CHECK FIBRE OPTIC LEAD BETWEEN LUGGAGE COMPARTMENT JOINT AND AMPLIFIER

Disconnect the fibre optic connector, CD06.
Disconnect the fibre optic connector, CD07.
Connect the Optical Bus Tester to CD07.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, CD06.

Are light pulses visible?

YES Go to step 2 . → Q2

NO INSTALL a new telematic harness between CD06 and C07. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

Q2 CHECK CABIN FIBRE OPTIC HARNESS

Disconnect the fibre optic connector, CD01.
Disconnect the fibre optic connector, CD06.
Connect the Optical Bus Tester to CD06 using adaptor lead.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, CD01.

Are light pulses visible?

YES Go to step 3 . → Q3

NO INSTALL a new cabin optical harness between CD06 and CD01. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

Q3 CHECK FIBRE OPTIC LEAD BETWEEN 'A' POST AND ICE HEAD UNIT

Connect the Optical Bus Tester to ID01.
Set the Optical Bus Tester to TX .
Set the Optical Bus Tester to ON .
Check for light pulses at the receiver pin of disconnected D2B connector, ID01.

Are light pulses visible?

YES Go to step 4 . → Q4

Q4 CHECK THE ICE HEAD UNIT

Connect the optical short link between the receiver and transmitter of the ICE head unit.
Turn the ignition switch to the ACC position.
Wait for 10 seconds.
Check for DTC.

Is U2603 logged?

YES INSTALL a new ICE head unit, Refer to «Audio Unit»(ref-311916-S25600179912009040700000) . CLEAR the DTC. TEST the system for normal operation.

NO RECHECK DTCs. No fault found in D2B system.

Pinpoint Test R: ONE OR MORE D2B MODULES NOT RESPONDING. PERMANENT SUPPLY FAULT

Pinpoint Test R

R1 CHECK THE PERMANENT SUPPLY TO THE CD CHANGER

Disconnect the CD changer connector, CA301.
Measure the voltage between CA301, pin 02 (OY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the CD changer connector, CA301, pin 02, and fuse 72 of the central junction fuse box. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO CHECK the module for GROUND. INSTALL a new CD Changer. «COMPACT DISC (CD) CHANGER - REMOVAL AND INSTALLATION»(ref-311350-S32271309292009032500000) . CLEAR the DTC, test the system for normal operation. Go to step 2 . → 2

R2 CHECK THE PERMANENT SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Measure the voltage between PH02, pin 22 (NR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the voice activated control module connector, PH02, pin 22, and fuse 71 of the central junction fuse box. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO CHECK the module for GROUND. INSTALL a new VACM. Refer to «Multifunction Voice Activated Module - 4-Door»(ref-311923-S40100793212009040700000) . CLEAR the DTC, test the system for normal operation. Go to step 3 . → 3

R3 CHECK THE PERMANENT SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Measure the voltage between PH01, pins 12 and 13 (NR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the 'phone module connector, PH01, pins 12 and 13 and fuse 71 of the central junction fuse box. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO CHECK the module for GROUND. INSTALL a new 'phone module. Refer to «Module»(ref-311922) . CLEAR the DTC, test the system for normal operation. Go to step 4 . → 4

R4 CHECK THE PERMANENT SUPPLY TO THE NAVIGATION MODULE

Disconnect the navigation module connector, NA07.
Measure the voltage between NA07, pin 01 (OY) and GROUND.

Is the voltage less than 10 volts?

YES Repair the circuit between the navigation module connector, NA07, pin 01 and fuse 72 of the central junction fuse box. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO CHECK the module for GROUND. INSTALL a new navigation module. Refer to «Navigation System Module - 4-Door»(ref-311919-S10478171202009040700000) . CLEAR the DTC, test the system for normal operation. Go to step 5 . → 5

R5 CHECK THE PERMANENT SUPPLY TO THE AMPLIFIER

Disconnect the amplifier connector, CA425.
Measure the voltage between CA425, pin 09 (NR) and GROUND.
Measure the voltage between CA425, pin 03 (NR) and GROUND.

Is either voltage less than 10 volts?

YES Repair the circuit between the amplifier connector, CA425 and fuse 20 of the primary junction box. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO CHECK the module for GROUND. INSTALL a new amplifier. CLEAR the DTC, test the system for normal operation.

Pinpoint Test S: ONE OR MORE D2B MODULES NOT RESPONDING. ACCESSORY SWITCHED SUPPLY FAULT

Pinpoint Test S

S1 CHECK THE ACCESSORY SWITCHED SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Turn the ignition switch to the ACC position.
Measure the voltage between PH02, pin 08 (YG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the voice activated control module connector, PH02, pin 08 and the ignition switch. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation. This circuit includes the central junction fuse box, fuse 69.

NO Go to step 2 . → 2

S2 CHECK THE ACCESSORY SWITCHED SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Turn the ignition switch to the ACC position.
Measure the voltage between PH01, pin 14 (YG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the 'phone module connector, PH01, pin 14 and the ignition switch. This circuit includes the central junction fuse box, fuse 69. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

S3 CHECK THE ACCESSORY SWITCHED SUPPLY TO THE NAVIGATION MODULE

Disconnect the navigation module electrical connector, NA07.
Turn the ignition switch to the ACC position.
Measure the voltage between NA07, pin 11 (YG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the navigation module connector, NA07, pin 11 and the ignition switch. This circuit includes the central junction fuse box, fuse 69. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

Pinpoint Test T: ONE OR MORE D2B MODULES NOT RESPONDING. IGNITION SWITCHED SUPPLY FAULT

Pinpoint Test T

T1 CHECK THE IGNITION SWITCHED SUPPLY TO THE VOICE ACTIVATED CONTROL MODULE

Disconnect the voice activated control module connector, PH02.
Turn the ignition switch to the ON position.
Measure the voltage between PH02, pin 06 (WR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the voice activated control module connector, PH02, pin 06 and the central junction fuse box, fuse 67. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

T2 CHECK THE IGNITION SWITCHED SUPPLY TO THE 'PHONE MODULE

Disconnect the 'phone module connector, PH01.
Turn the ignition switch to the ON position.
Measure the voltage between PH01, pin 29 (Y) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between the 'phone module connector, PH01, pin 29 and the central junction fuse box, fuse 78. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Check the module for GROUND. INSTALL a new 'phone module. Refer to «Module»(ref-311922) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test U: IC SUPPLY OR GROUND FAULT

Pinpoint Test U

U1 CHECK THE B+ SUPPLY TO THE IC

Disconnect the IC connector, IP11.
Measure the voltage between IP11, pin 07 (OG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP11, pin 07 and battery. This circuit includes the primary junction box, fuse 45. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

U2 CHECK THE ACC SUPPLY TO THE IC

Turn the ignition switch to the ACC position.
Measure the voltage between IP11, pin 13 (YU) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP11, pin 13 and battery. This circuit includes the primary junction box, fuse 43. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

U3 CHECK THE IGNITION SUPPLY TO THE IC

Turn the ignition switch to the IGN position.
Measure the voltage between IP11, pin 11 (GR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP11, pin 11 and battery. This circuit includes the primary junction box, fuse 54. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

U4 CHECK THE GROUND TO THE IC

Measure the resistance between IP11, pin 08 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test V: SWRS SUPPLY OR GROUND FAULT

Pinpoint Test V

V1 CHECK THE MODULE SUPPLY TO THE SWRS

Disconnect the SWRS connector, IP19.
Turn the ignition switch to the ON position.
Measure the voltage between IP19, pin 02 (GW) and GROUND.

Is the voltage less than 4 volts?

YES Go to step 2 . → V2

NO Go to step 3 . → 3

V2 CHECK THE MODULE SUPPLY CIRCUIT TO THE SWRS FOR HIGH RESISTANCE

Turn the ignition switch to the OFF position.
Disconnect the DSC module connector, JB185.
Measure the resistance between IP19, pin 02 (GW) and JB185, pin 39 (GW).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

V3 CHECK THE GROUND TO THE SWRS

Reconnect the DSC module connector, JB185.
Measure the resistance between IP19, pin 08 (U) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test W: YAW RATE SENSOR SUPPLY OR GROUND FAULT

Pinpoint Test W

W1 CHECK THE MODULE SUPPLY TO THE YAW RATE SENSOR

Disconnect the yaw rate sensor connector, IP20.
Turn the ignition switch to the ON position.
Measure the voltage between IP20, pin 04 (GW) and GROUND.

Is the voltage less than 4 volts?

YES Go to step 2 . → W2

NO Go to step 3 . → 3

W2 CHECK THE MODULE SUPPLY CIRCUIT TO THE YAW RATE SENSOR FOR HIGH RESISTANCE

Turn the ignition switch to the OFF position.
Disconnect the DSC module connector, JB185.
Measure the resistance between IP20, pin 04 (GW) and JB185, pin 39 (GW).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

W3 CHECK THE GROUND TO THE YAW RATE SENSOR

Measure the resistance between IP20, pin 01 (U) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test X: ABS/TCCM SUPPLY OR GROUND FAULT

Pinpoint Test X

X1 CHECK THE IGNITION SUPPLY TO THE ABS/TC MODULE

Disconnect the ABS/TCCM connector, JB45.
Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 23 (GW) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB45, pin 23 and battery. This circuit includes the front power distribution box, fuse 13 and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

X2 CHECK THE PUMP+ SUPPLY TO THE ABS/TCCM

Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 02 (R) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB45, pin 02 and battery. This circuit includes the front power distribution box, fuse 41. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

X3 CHECK THE SOLENOID+ SUPPLY TO THE ABS/TCCM

Turn the ignition switch to the ON position.
Measure the voltage between JB45, pin 06 (R) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB45, pin 06 and battery. This circuit includes the front power distribution box, fuse 41. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

X4 CHECK THE GROUND TO THE ABS/TCCM

Turn the ignition switch to the OFF position.
Measure the resistance between JB45, pin 05 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

X5 CHECK THE MOTOR GROUND TO THE ABS/TCCM

Measure the resistance between JB45, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test Y: DSC MODULE SUPPLY OR GROUND FAULT

Pinpoint Test Y

Y1 CHECK THE IGNITION SUPPLY TO THE DSC MODULE

Disconnect the DSC module connector, JB185.
Turn the ignition switch to the ON position.
Measure the voltage between JB185, pin 23 (GW) and GROUND.

Is the voltage less than 10 volts?

NO Go to step 2 . → 2

Y2 CHECK THE PUMP+ SUPPLY TO THE DSC MODULE

Turn the ignition switch to the ON position.
Measure the voltage between JB185, pin 02 (R) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB185, pin 02 and battery. This circuit includes the front power distribution box, fuse 41. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

Y3 CHECK THE SOLENOID+ SUPPLY TO THE DSC MODULE

Turn the ignition switch to the ON position.
Measure the voltage between JB185, pin 06 (R) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB185, pin 06 and battery. This circuit includes the front power distribution box, fuse 41. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

Y4 CHECK THE GROUND TO THE DSC MODULE

Turn the ignition switch to the OFF position.
Measure the resistance between JB185, pin 05 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

Y5 CHECK THE MOTOR GROUND TO THE DSC MODULE

Measure the resistance between JB185, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test Z: GSI MODULE SUPPLY OR GROUND FAULT

Pinpoint Test Z

Z1 CHECK THE IGNITION SUPPLY TO THE GSI MODULE

Disconnect the GSI module connector, IP14.
Turn the ignition switch to the ON position.
Measure the voltage between IP14, pin 01 (WR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP14, pin 01 and battery. This circuit includes the primary junction box, fuse 50. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

Z2 CHECK THE GROUND TO THE GSI MODULE

Measure the resistance between IP14, pin 02 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AA: HID MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE IGNITION SUPPLY TO THE HID MODULE

Disconnect the HID module connector, IP130.
Turn the ignition switch to the ON position.
Measure the voltage between IP130, pin 23 (WR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP130, pin 23 and battery. This circuit includes the primary junction box, fuse 39. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE GROUND TO THE HID MODULE

Measure the resistance between IP130, pin 24 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AB: EATC MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE EATC MODULE

Disconnect the EATC module connector, IP101.
Measure the voltage between IP101, pin 14 (OG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP101, pin 14 and battery. This circuit includes the primary junction box, fuse 45. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE IGNITION SUPPLY TO THE EATC MODULE

Turn the ignition switch to the ON position.
Measure the voltage between IP101, pin 02 (WR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP101, pin 02 and battery. This circuit includes the primary junction box, fuse 39, and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE B+ SAVE SUPPLY TO THE EATC MODULE

Turn the ignition switch to the OFF position.
Measure the voltage between IP101, pin 01 (OY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP101, pin 01 and battery. This circuit includes the primary junction box, fuse 49, and the battery save relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE GROUND TO THE EATC MODULE

Measure the resistance between IP101, pin 15 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AC: MEMORY SEAT MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+1 SUPPLY TO THE MEMORY SEAT MODULE

Disconnect the memory seat module connector, DM02.
Measure the voltage between DM02, pin 01 (OG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between DM02, pin 01 and battery. This circuit includes the primary junction box, fuse 16. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE B+2 SUPPLY TO THE MEMORY SEAT MODULE

Measure the voltage between DM02, pin 06 (GB) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between DM02, pin 06 and battery. This circuit includes the primary junction box, fuse 09. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE IGNITION SUPPLY TO THE MEMORY SEAT MODULE

Turn the ignition switch to the ON position.
Measure the voltage between DM02, pin 04 (GB) and GROUND.

Is the voltage less than 4 volts?

YES REPAIR the circuit between DM02, pin 04 and battery. This circuit includes the primary junction box, fuse 07. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE ELECTRONIC GROUND TO THE MEMORY SEAT MODULE

Turn the ignition switch to the OFF position.
Measure the resistance between DM02, pin 10 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

A5 CHECK THE POWER GROUND TO THE MEMORY SEAT MODULE

Measure the resistance between DM02, pin 05 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 6 . → 6

A6 CHECK THE SIGNAL GROUND TO THE MEMORY SEAT MODULE

Measure the resistance between DM02, pin 03 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AD: TCM (16 BIT) SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE TCM

Disconnect the TCM connector, JB131.
Measure the voltage between JB131, pin 06 (UY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB131, pin 06 and battery. This circuit includes the front power distribution box, fuse 32. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE IGNITION 1 SUPPLY TO THE TCM

Turn the ignition switch to the ON position.
Measure the voltage between JB131, pin 36 (WU) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB131, pin 36 and battery. This circuit includes the front power distribution box, fuse 11, and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE IGNITION 2 SUPPLY TO THE TCM

Turn the ignition switch to the ON position.
Measure the voltage between JB131, pin 54 (WU) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB131, pin 54 and battery. This circuit includes the front power distribution box, fuse 11, and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE GROUND 1 TO THE TCM

Turn the ignition switch to the OFF position.
Measure the resistance between JB131, pin 09 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

A5 CHECK THE GROUND 2 TO THE TCM

Measure the resistance between JB131, pin 38 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AE: TCM (32 BIT) SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE TCM

Disconnect the TCM connector, JB231.
Measure the voltage between JB231, pin 28 (UY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB231, pin 28 and battery. This circuit includes the front power distribution box, fuse 32. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE IGNITION 1 SUPPLY TO THE TCM

Turn the ignition switch to the ON position.
Measure the voltage between JB231, pin 10 (WU) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB231, pin 10 and battery. This circuit includes the front power distribution box, fuse 11, and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE IGNITION 2 SUPPLY TO THE TCM

Turn the ignition switch to the ON position.
Measure the voltage between JB231, pin 19 (WU) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB231, pin 19 and battery. This circuit includes the front power distribution box, fuse 11, and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE GROUND 1 TO THE TCM

Turn the ignition switch to the OFF position.
Measure the resistance between JB231, pin 25 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

A5 CHECK THE GROUND 2 TO THE TCM

Measure the resistance between JB231, pin 38 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AF: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.0L PETROL ENGINE)

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE ECM

Turn the ignition switch to the OFF position.
Disconnect the ECM connector, EN65.
Measure the voltage between EN65, pin 21 (NR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between EN65, pin 21 and battery. This circuit includes the front power distribution box, fuse 36. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE CONTROL SUPPLY TO THE ECM

Turn the ignition switch to the ON position.
Measure the voltage between EN65, pin 69 (B) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between EN65, pin 69 and battery. This circuit includes the EMS control relay, pin 2. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE POWER GROUND (1) TO THE ECM

Turn the ignition switch to the OFF position.
Measure the resistance between EN65, pin 19 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE POWER GROUND (2) TO THE ECM

Measure the resistance between EN65, pin 18 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AG: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.5/3.0L PETROL ENGINE)

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE ECM

Turn the ignition switch to the OFF position.
Disconnect the ECM connector, EN16.
Measure the voltage between EN16, pin 22 (NR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between EN16, pin 22 and battery. This circuit includes the front power distribution box, fuse 36. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE CONTROL SUPPLY TO THE ECM

Turn the ignition switch to the ON position.
Measure the voltage between EN16, pin 40 (B) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between EN16, pin 40 and battery. This circuit includes the EMS control relay, pin 02. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE POWER GROUND (1) TO THE ECM

Turn the ignition switch to the OFF position.
Measure the resistance between EN16, pin 04 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE POWER GROUND (2) TO THE ECM

Measure the resistance between EN16, pin 05 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AH: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.0L DIESEL ENGINE)

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE ECM

Turn the ignition switch to the OFF position.
Disconnect the ECM connector, DL01.
Measure the voltage between DL01, pin 03 (WG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between DL01, pin 03 and battery. This circuit includes the front power distribution box, fuse 21, and the EMS control relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE CONTROL SUPPLY TO THE ECM

Turn the ignition switch to the ON position.
Measure the voltage between DL01, pin 09 (B) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between DL01, pin 09 and battery. This circuit includes the EMS control relay, pin 02. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE POWER GROUND (1) TO THE ECM

Turn the ignition switch to the OFF position.
Measure the resistance between DL01, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 4 . → 4

A4 CHECK THE POWER GROUND (2) TO THE ECM

Measure the resistance between DL01, pin 02 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 5 . → 5

A5 CHECK THE POWER GROUND (3) TO THE ECM

Measure the resistance between DL01, pin 28 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 6 . → 6

A6 CHECK THE POWER GROUND (4) TO THE ECM

Measure the resistance between DL01, pin 66 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 7 . → 7

A7 CHECK THE POWER GROUND (5) TO THE ECM

Measure the resistance between DL01, pin 88 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AI: ICE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE ICE

Turn the ignition switch to the OFF position.
Disconnect the ICE connector, IP65.
Measure the voltage between IP65, pin 11 (NW) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP65, pin 11 and battery. This circuit includes the primary junction box, fuse 44. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE ACC SUPPLY TO THE ICE

Turn the ignition switch to the ACC position.
Measure the voltage between IP65, pin 02 (YG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP65, pin 02 and battery. This circuit includes the primary junction box, fuse 43. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE GROUND TO THE ICE

Turn the ignition switch to the OFF position.
Measure the resistance between IP65, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AJ: CD CHANGER SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE CD CHANGER

Turn the ignition switch to the OFF position.
Disconnect the CD changer connector, CA301.
Measure the voltage between CA301, pin 02 (OY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between CA301, pin 02 and battery. This circuit includes the primary junction box, fuse 44. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE GROUND TO THE CD CHANGER

Measure the resistance between CA301, pin 01 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AK: NAV MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE NAV MODULE

Turn the ignition switch to the OFF position.
Disconnect the NAV module connector, NA07.
Measure the voltage between NA07, pin 01 (OY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between NA07, pin 01 and battery. This circuit includes the primary junction box, fuse 44. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE ACC SUPPLY TO THE NAV MODULE

Turn the ignition switch to the ACC position.
Measure the voltage between NA07, pin 11 (YG) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between NA07, pin 11 and battery. This circuit includes the primary junction box, fuse 43. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE GROUND TO THE NAV MODULE

Turn the ignition switch to the OFF position.
Measure the resistance between NA07, pin 02 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AL: FFH MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE FFH MODULE

Turn the ignition switch to the OFF position.
Disconnect the FFH module connector, JB232.
Measure the voltage between JB232, pin 01 (GR) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB232, pin 01 and battery. This circuit includes the front power distribution box, fuse 31. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE IGNITION SUPPLY TO THE FFH MODULE

Turn the ignition switch to the ON position.
Measure the voltage between JB232, pin 04 (RW) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB232, pin 04 and battery. This circuit includes the front power distribution box, fuse 12. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 3 . → 3

A3 CHECK THE GROUND TO THE FFH MODULE

Turn the ignition switch to the OFF position.
Measure the resistance between JB232, pin 02 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AM: PARK AID MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE IGNITION SUPPLY TO THE PARK AID MODULE

Turn the ignition switch to the OFF position.
Disconnect the park aid module connector, CA418.
Turn the ignition switch to the ON position.
Measure the voltage between CA418, pin 01 (N) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between CA418, pin 01 and battery. This circuit includes the primary junction box, fuse 33 and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE GROUND TO THE PARK AID MODULE

Turn the ignition switch to the OFF position.
Measure the resistance between CA418, pin 16 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AN: RCM SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE IGNITION SUPPLY TO THE RCM

Turn the ignition switch to the OFF position.
Disconnect the RCM connector, IP74.
Turn the ignition switch to the ON position.
Measure the voltage between IP74, pin 12 (G) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between IP74, pin 12 and battery. This circuit includes the primary junction box, fuse 53 and the ignition relay. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE GROUND TO THE RCM

Turn the ignition switch to the OFF position.
Measure the resistance between IP74, pin 16 (B) and GROUND.

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Pinpoint Test AO: GEM SUPPLY FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE GEM

Disconnect the GEM connector, JB172.
Measure the voltage between JB172, pin 01 (OY) and GROUND.

Is the voltage less than 10 volts?

YES REPAIR the circuit between JB172, pin 01 and battery. This circuit includes the primary junction box, fuse 22. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power supplies. Check for DTCs indicating a module fault.

Pinpoint Test H: RESTRAINTS CONTROL MODULE (RCM) ISO CIRCUIT MALFUNCTION

WARNING

To avoid accidental deployment and possible injury, the backup power supply must be depleted before repairing or replacing any airbag supplemental restraint system (SRS) components. To deplete the backup power supply energy, disconnect the battery ground cable and wait one minute. Failure to follow this instruction may result in personal injury.

Pinpoint Test H

H1 CHECK THE RCM FOR DAMAGE

Inspect the RCM for damage.

Does the RCM indicate signs of damage?

YES INSTALL a new RCM. Refer to «Restraints Control Module (RCM)»(ref-311926) or «Restraints Control Module (RCM)»(ref-311865) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

H2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

H3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between diagnostic connector, pins 07 (W) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

H4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN DIAGNOSTIC CONNECTOR AND RCM

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the RCM connector, IP74.
Measure the resistance between diagnostic connector, pin 07 (W) (K-line) and IP74, pin 11 (W).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO INSTALL a new RCM. Refer to «Restraints Control Module (RCM)»(ref-311926) or «Restraints Control Module (RCM)»(ref-311865) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test H: HEADLAMP LEVELLING MODULE (HID) ISO CIRCUIT MALFUNCTION

Pinpoint Test H

H1 CHECK HEADLAMP LEVELLING MODULE FOR DAMAGE

Inspect the HID module for damage.

Does the HID module indicate signs of damage?

YES INSTALL a new HID module. Refer to «Headlamp Leveling Module»(ref-311910) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

H2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

H3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between diagnostic connector, pins 07 (W) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

H4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN DIAGNOSTIC CONNECTOR AND HID MODULE

Disconnect the HID module connector, IP130.
Measure the resistance between diagnostic connector, pin 07 (W) and IP130, pin 05 (W).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO INSTALL a new HID module. Refer to «Headlamp Leveling Module»(ref-311910) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test H: ROOF CONSOLE ISO CIRCUIT MALFUNCTION

Note. There are two levels of Roof Console. High-line, with moon roof, and/or reading lamps, plus VEMS and/or garage door opener (electrical connector, RC22). Low-line, with moon roof and/or reading lamps only (electrical connector, RC33).

Pinpoint Test H

H1 CHECK ROOF CONSOLE MODULE FOR DAMAGE

Inspect the roof console module for damage.

Does the roof console module indicate signs of damage?

YES INSTALL a new roof console module. CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

H2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

H3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between diagnostic connector, pin 07 (W) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

H4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ROOF CONSOLE MODULE

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the roof console module connector (RC23, high-line, RC33, low-line).
Measure the resistance between the diagnostic connector, pin 07 (W) and
Vehicles with low-line console
Vehicles with high-line console

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO INSTALL a new roof console module. CLEAR the DTC, test the system for normal operation.

Pinpoint Test H: REVERSE PARK AID ISO CIRCUIT MALFUNCTION

Pinpoint Test H

H1 CHECK THE REVERSE PARK AID MODULE FOR DAMAGE

Inspect the reverse park aid module for damage.

Does the reverse park aid module indicate signs of damage?

YES INSTALL a new reverse park aid module. Refer to «Parking Aid Module - 4-Door»(ref-311912) . CLEAR the DTC, test the system for normal operation.

NO Go to step 2 . → 2

H2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

H3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between diagnostic connector, pin 07 (W) and pin 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

H4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN THE DIAGNOSTIC CONNECTOR AND THE REVERSE PARK AID MODULE

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the reverse park aid module connector, RB07.
Measure the resistance between diagnostic connector, pin 07 (W) and RB07, pin 05 (W).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO INSTALL a new reverse park aid module. Refer to «Parking Aid Module - 4-Door»(ref-311912) . CLEAR the DTC, test the system for normal operation.

Pinpoint Test H: ECM ISO CIRCUIT MALFUNCTION

Note. These pinpoint tests apply only to OBD2 diagnostics. The ECM does most of it's diagnostics via CAN.

Pinpoint Test H

H1 CHECK ECM FOR DAMAGE

Inspect the ECM for damage.

Does the ECM indicate signs of damage?

YES Please check part is not on any form of prior authorization before replacement.

NO Go to step 2 . → 2

H2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

H3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 07 (W) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

H4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN THE DIAGNOSTIC CONNECTOR AND THE ECM

NOTE: The diesel ECM is not part of the ISO network.
Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Vehicles with 2.5 and 3.0L engine
Vehicles with 2.0L petrol engine

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Please check part is not on any form of prior authorization before replacement.

Pinpoint Test AU: FUEL FIRED HEATER (FFH) MODULE ISO CIRCUIT MALFUNCTION

Pinpoint Test A

A1 CHECK THE FFH MODULE FOR DAMAGE

Inspect the FFH module for damage.

Does the FFH module indicate signs of damage?

YES Please check part is not on any form of prior authorization before replacement.

NO Go to step 2 . → 2

A2 CHECK K-LINE FOR SHORT CIRCUIT TO GROUND

Measure the resistance between the diagnostic connector, pin 07 (W) and GROUND.

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 3 . → 3

A3 CHECK K-LINE FOR SHORT CIRCUIT TO BATTERY

Measure the resistance between the diagnostic connector, pins 07 (W) and 16 (OY).

Is the resistance less than 10,000 ohms?

YES REPAIR the short circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Go to step 4 . → 4

A4 CHECK FOR OPEN CIRCUIT ON K-LINE BETWEEN THE DIAGNOSTIC CONNECTOR AND THE FFH MODULE

Turn the ignition switch to the OFF position.
Disconnect the battery negative terminal.
Disconnect the FFH module connector, JB232.
Measure the resistance between the diagnostic connector, pin 07 (W) and JB232, pin 03 (W).

Is the resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article. CLEAR the DTC, test the system for normal operation.

NO Please check part is not on any form of prior authorization before replacement.

Pinpoint Test AV: AMPLIFIER SUPPLY OR GROUND FAULT

Pinpoint Test A

A1 CHECK THE B+ SUPPLY TO THE AMPLIFIER

Turn the ignition switch to the OFF position.
Disconnect the amplifier connector, CA425.
Measure the voltage between CA425, pin 03 (NR) and GROUND.
Measure the voltage between CA425, pin 09 (NR) and GROUND.

Is either voltage less than 10 volts?

YES REPAIR the circuit between CA425, pins 03/09 and battery. This circuit includes the primary junction box, fuse 20. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO Go to step 2 . → 2

A2 CHECK THE GROUND TO THE AMPLIFIER

Turn the ignition switch to the OFF position.
Measure the resistance between CA425, pin 02 (B) and GROUND.
Measure the resistance between CA425, pin 08 (B) and GROUND.

Is either resistance greater than 5 ohms?

YES REPAIR the high resistance circuit. For additional information, refer to the appropriate SYSTEM WIRING DIAGRAMS article.

NO No fault found with power or ground supplies. Check for DTCs indicating a module fault.

Module Communications Network: Diagnosis Jaguar X-type I рестайлинг

Inspection and Verification

Symptom Chart

Power and Ground circuit test index

Pinpoint Test A: CHECK THE CONTROLLER AREA NETWORK (CAN) CONTINUITY

Pinpoint Test A

Pinpoint Test L: P1603. TCM EEPROM FAILURE

Pinpoint Test L

Pinpoint Test A: P1637: CAN NETWORK MALFUNCTION, TRANSMISSION CONTROL MODULE (TCM)

Pinpoint Test A

Pinpoint Test A: P1638: CAN NETWORK MALFUNCTION, INSTRUMENT CLUSTER (IC)

Pinpoint Test A

Pinpoint Test A: P1642; P1643; P1797: CAN NETWORK MALFUNCTION, ECM

Pinpoint Test A

Pinpoint Test C: P1699: CAN NETWORK MALFUNCTION, ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE

Pinpoint Test C

Pinpoint Test A: P1799: CAN NETWORK MALFUNCTION, ANTI-LOCK BRAKE (ABS)/DYNAMIC STABILITY CONTROL (DSC) CONTROL MODULE

Pinpoint Test A

Pinpoint Test E: SCP NETWORK MALFUNCTION, GENERIC ELECTRONIC MODULE (GEM)

Pinpoint Test E

Pinpoint Test B: SCP NETWORK MALFUNCTION, IN CAR ENTERTAINMENT (ICE) HEAD

Pinpoint Test B

Pinpoint Test J: U2003: COMPACT DISC CHANGER NOT RESPONDING

Pinpoint Test J

Pinpoint Test K: ONE OR MORE D2B MODULES NOT RESPONDING. 'WAKE-UP' SIGNAL FAULT

Pinpoint Test K

Pinpoint Test L: U2008: 'PHONE MODULE NOT RESPONDING

Pinpoint Test L

Pinpoint Test M: U2019: VOICE CONTROL MODULE NOT RESPONDING

Pinpoint Test M

Pinpoint Test N: U2613: NAVIGATION CONTROL MODULE NOT RESPONDING

Pinpoint Test N

Pinpoint Test O: U2614: AMPLIFIER NOT RESPONDING

Pinpoint Test O

Pinpoint Test P: U2602: BREAK IN OPTICAL HARNESS FROM ICE HEAD UNIT (TRANSMITTER)

Pinpoint Test P

Pinpoint Test Q: U2603: BREAK IN OPTICAL HARNESS TO ICE HEAD UNIT (RECEIVER)

Pinpoint Test Q

Pinpoint Test R: ONE OR MORE D2B MODULES NOT RESPONDING. PERMANENT SUPPLY FAULT

Pinpoint Test R

Pinpoint Test S: ONE OR MORE D2B MODULES NOT RESPONDING. ACCESSORY SWITCHED SUPPLY FAULT

Pinpoint Test S

Pinpoint Test T: ONE OR MORE D2B MODULES NOT RESPONDING. IGNITION SWITCHED SUPPLY FAULT

Pinpoint Test T

Pinpoint Test U: IC SUPPLY OR GROUND FAULT

Pinpoint Test U

Pinpoint Test V: SWRS SUPPLY OR GROUND FAULT

Pinpoint Test V

Pinpoint Test W: YAW RATE SENSOR SUPPLY OR GROUND FAULT

Pinpoint Test W

Pinpoint Test X: ABS/TCCM SUPPLY OR GROUND FAULT

Pinpoint Test X

Pinpoint Test Y: DSC MODULE SUPPLY OR GROUND FAULT

Pinpoint Test Y

Pinpoint Test Z: GSI MODULE SUPPLY OR GROUND FAULT

Pinpoint Test Z

Pinpoint Test AA: HID MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AB: EATC MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AC: MEMORY SEAT MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AD: TCM (16 BIT) SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AE: TCM (32 BIT) SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AF: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.0L PETROL ENGINE)

Pinpoint Test A

Pinpoint Test AG: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.5/3.0L PETROL ENGINE)

Pinpoint Test A

Pinpoint Test AH: ECM SUPPLY OR GROUND FAULT (VEHICLES WITH 2.0L DIESEL ENGINE)

Pinpoint Test A

Pinpoint Test AI: ICE SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AJ: CD CHANGER SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AK: NAV MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A

Pinpoint Test AL: FFH MODULE SUPPLY OR GROUND FAULT

Pinpoint Test A