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![INFINITI FX35 2005 Service Manual LAN-118
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Driver Seat Control Unit Circuit InspectionAKS00CFG
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from INFINITI FX35 2005 Service Manual LAN-118
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CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
Driver Seat Control Unit Circuit InspectionAKS00CFG
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from](/manual-img/42/57020/w960_57020-3536.png)
LAN-118
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
Driver Seat Control Unit Circuit InspectionAKS00CFG
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control unit side and harness side).
–Driver seat control unit connector
–Harness connector B151
–Harness connector B8
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat control unit harness con- nector B152 terminals 14 (OR) and 15 (SB).
OK or NG
OK >> Replace driver seat control unit.
NG >> Repair harness between driver seat control unit and har- ness connector B5.
IPDM E/R Circuit InspectionAKS00CFH
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side and harness side).
–IPDM E/R connector
–Harness connector E205
–Harness connector B5
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector. 14 (OR) - 15 (SB) : Approx. 54 - 66
Ω
SKIA6882E
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![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-119
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-119
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between](/manual-img/42/57020/w960_57020-3537.png)
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector E9 ter- minals 48 (L) and 49 (R).
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector B8.
CAN Communication Circuit InspectionAKS00CFI
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side, control unit side, unit side, sensor side, meter side and harness side).
–ECM
–A/T assembly
–Display unit
–BCM
–Steering angle sensor
–LDW camera unit
–Unified meter and A/C amp.
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–IPDM E/R
–Between ECM and IPDM E/R
–Between ECM and A/T assembly
–Between ECM and LDW camera unit
–Between ECM and driver seat control unit
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector. 48 (L) - 49 (R) : Approx. 108 - 132
Ω
SKIB1363E
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![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-125
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-125
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform](/manual-img/42/57020/w960_57020-3543.png)
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform reproducibility test.
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the unit connector.
4. Connect the battery cable to the negative terminal.
5. Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it with the symptom related to removed unit.)
6. Make sure that the same symptom is reproduced.
–A/T assembly
–Display unit
–BCM
–Steering angle sensor
–LDW camera unit
–Unified meter and A/C amp.
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–ECM
–IPDM E/R
Check results
Reproduce>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.
IPDM E/R Ignition Relay Circuit InspectionAKS00CFJ
Check the following. If no malfunction is found, replace the IPDM E/R.
IPDM E/R power supply circuit. Refer to PG-28, "IPDM E/R Power/Ground Circuit Inspection" .
Ignition power supply circuit. Refer to PG-12, "IGNITION POWER SUPPLY - IGNITION SW. IN “ON”
AND/OR “START”" .
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CAN SYSTEM (TYPE 3) LAN-153
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Case 19
Check IPDM E/R ignition relay circuit continuously sticks “OFF”. Refer to LAN-170, "IPDM E/R Ignition Relay
Circuit Inspection" .
PKIB4421E
Page 3573 of 4731
LAN-154
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
Case 20
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to LAN-170, "IPDM E/R Ignition Relay
Circuit Inspection" .
Inspection Between TCM and Data Link Connector CircuitAKS00CEE
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect ECM connector and harness connector M82.
4. Check continuity between harness connector M82 terminals 14H (L), 15H (R) and data link connector M5 terminals 6 (L), 14
(R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
PKIB4422E
14H (L) - 6 (L) : Continuity should exist.
15H (R) - 14 (R) : Continuity should exist.
SKIA6861E
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![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 3) LAN-155
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CEF
1. CHEC INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 3) LAN-155
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CEF
1. CHEC](/manual-img/42/57020/w960_57020-3573.png)
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CEF
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect ECM connector and unified meter and A/C amp. connector.
4. Check continuity between data link connector M5 terminals 6 (L), 14 (R) and unified meter and A/C amp. harness connector
M55 terminals 1 (L), 11 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between Unified Meter and A/C Amp. and ABS Actuator and Electric
Unit (Control Unit) Circuit
AKS00CEG
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and harness side).
–Harness connector M41
–Harness connector E211
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect unified meter and A/C amp. connector and harness connector M41.
2. Check continuity between unified meter and A/C amp. harness connector M55 terminals 1 (L), 11 (R) and harness connector
M41 terminals 15G (L), 14G (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness. 6 (L) - 1 (L) : Continuity should exist.
14 (R) - 11 (R) : Continuity should exist.
SKIA6862E
1 (L) - 15G (L) : Continuity should exist.
11 (R) - 14G (R) : Continuity should exist.
SKIA6863E
Page 3575 of 4731
![INFINITI FX35 2005 Service Manual LAN-156
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between har INFINITI FX35 2005 Service Manual LAN-156
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between har](/manual-img/42/57020/w960_57020-3574.png)
LAN-156
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector E211 terminals 15G (L), 14G (R) and ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Unit Circuit
AKS00CEH
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and harness side).
–Harness connector E205
–Harness connector B5
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector and harness connector E205.
2. Check continuity between ABS actuator and electric unit (control unit) harness connector E56 terminals 11 (L), 15 (R) and har-
ness connector E205 terminals 3 (L), 10 (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness. 15G (L) - 11 (L) : Continuity should exist.
14G (R) - 15 (R) : Continuity should exist.
SKIA6864E
11 (L) - 3 (L) : Continuity should exist.
15 (R) - 10 (R) : Continuity should exist.
SKIA6880E
Page 3576 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 3) LAN-157
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3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity betwe INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 3) LAN-157
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3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity betwe](/manual-img/42/57020/w960_57020-3575.png)
CAN SYSTEM (TYPE 3) LAN-157
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3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity between harness connector B5 terminals 3 (L), 10 (R) and harness connector B8 terminals 14 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
ECM Circuit InspectionAKS00CEI
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ECM for damage, bend and loose connection (control module side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M90 termi- nals 94 (L) and 86 (R).
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and harness connector M82.
TCM Circuit InspectionAKS00CEJ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side and harness side).
–A/T assembly connector
–Harness connector F102
–Harness connector M82
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector. 3 (L) - 14 (L) : Continuity should exist.
10 (R) - 15 (R) : Continuity should exist.
SKIA6881E
94 (L) - 86 (R) : Approx. 108 - 132 Ω
PKIA9860E