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![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-193
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Revision: 2006 December 2006 FX35/FX45
TCM Circuit InspectionNKS0038Y
1. CHECK CONNECTOR
1. Turn ignition switch OFF INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-193
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Revision: 2006 December 2006 FX35/FX45
TCM Circuit InspectionNKS0038Y
1. CHECK CONNECTOR
1. Turn ignition switch OFF](/manual-img/42/57019/w960_57019-3552.png)
TROUBLE DIAGNOSIS FOR SYSTEM LAN-193
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Revision: 2006 December 2006 FX35/FX45
TCM Circuit InspectionNKS0038Y
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.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector ter- minals.
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and display con- trol unit.
Display Control Unit Circuit InspectionNKS0038Z
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of display control unit for damage, bend and loose connection (control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display control unit connector.
2. Check resistance between display control unit harness connec- tor terminals.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness between display control unit and har- ness connector M82.
A/T assembly con-
nector Terminals Resistance
(Approx.)
F44 3 8 54 – 66 Ω
SKIA6866E
Display control
unit connector Terminals
Resistance
(Approx.)
M76 25 26 54 – 66 Ω
SKIA6884E
Page 3554 of 4462
![INFINITI FX35 2006 Service Manual LAN-194
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
AWD Control Unit Circuit InspectionNKS00390
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the batter INFINITI FX35 2006 Service Manual LAN-194
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
AWD Control Unit Circuit InspectionNKS00390
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the batter](/manual-img/42/57019/w960_57019-3553.png)
LAN-194
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
AWD Control Unit Circuit InspectionNKS00390
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of AWD control unit for damage, bend and loose connection (control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect AWD control unit connector.
2. Check resistance between AWD control unit harness connector terminals.
OK or NG
OK >> Replace AWD control unit.
NG >> Repair harness between AWD control unit and harness connector M82.
ICC Unit Circuit InspectionNKS00391
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ICC unit for damage, bend and loose connection (unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC unit connector.
2. Check resistance between ICC unit harness connector termi- nals.
OK or NG
OK >> Replace ICC unit.
NG >> Repair harness between ICC unit and harness connec- tor M82.
AWD control unit
connector Terminals Resistance
(Approx.)
M92 8 16 54 – 66 Ω
SKIA6889E
ICC control unit Terminals Resistance
(Approx.)
M88 14 5 54 – 66 Ω
SKIA6886E
Page 3555 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-195
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Revision: 2006 December 2006 FX35/FX45
Intelligent Key Unit Circuit InspectionNKS00392
1. CHECK CONNECTOR
1. Turn ig INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-195
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Revision: 2006 December 2006 FX35/FX45
Intelligent Key Unit Circuit InspectionNKS00392
1. CHECK CONNECTOR
1. Turn ig](/manual-img/42/57019/w960_57019-3554.png)
TROUBLE DIAGNOSIS FOR SYSTEM LAN-195
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Revision: 2006 December 2006 FX35/FX45
Intelligent Key Unit Circuit InspectionNKS00392
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of Intelligent Key unit for damage, bend and loose connection (unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check resistance between Intelligent Key unit harness connec- tor terminals.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair harness between Intelligent Key unit and data link connector.
Data Link Connector Circuit InspectionNKS00393
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check data link connector and terminals for damage, bend and loose connection (connector side and har- ness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector terminals.
OK or NG
OK >> Diagnose again. Refer to LAN-5, "TROUBLE DIAG-
NOSES WORK FLOW" .
NG >> Repair harness between data link connector and BCM.
Intelligent Key unit
connector Terminals Resistance
(Approx.)
M34 2 3 54 – 66 Ω
SKIA6887E
Data link connec-
tor Te r m i n a l s Resistance
(Approx.)
M5 6 14 54 – 66 Ω
PKIA9865E
Page 3556 of 4462
![INFINITI FX35 2006 Service Manual LAN-196
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
BCM Circuit InspectionNKS00394
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from INFINITI FX35 2006 Service Manual LAN-196
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
BCM Circuit InspectionNKS00394
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from](/manual-img/42/57019/w960_57019-3555.png)
LAN-196
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
BCM Circuit InspectionNKS00394
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of BCM 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 BCM connector.
2. Check resistance between BCM harness connector terminals.
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Repair harness between BCM and data link connector.
Steering Angle Sensor Circuit InspectionNKS00395
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con- nector terminals.
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and data link connector.
BCM connector Terminals Resistance
(Approx.)
M3 39 40 54 – 66 Ω
SKIA6869E
Steering angle
sensor connector Terminals Resistance
(Approx.)
M14 4 5 54 – 66 Ω
PKIA9864E
Page 3557 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-197
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Revision: 2006 December 2006 FX35/FX45
LDW Camera Unit Circuit InspectionNKS00396
1. CHECK CONNECTOR
1. Turn ignitio INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-197
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Revision: 2006 December 2006 FX35/FX45
LDW Camera Unit Circuit InspectionNKS00396
1. CHECK CONNECTOR
1. Turn ignitio](/manual-img/42/57019/w960_57019-3556.png)
TROUBLE DIAGNOSIS FOR SYSTEM LAN-197
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LDW Camera Unit Circuit InspectionNKS00396
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 (unit side and harness side).
–LDW camera unit connector
–Harness connector R1
–Harness connector M31
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check resistance between LDW camera unit harness connector terminals.
OK or NG
OK >> Replace LDW camera unit.
NG >> Repair harness between LDW camera unit and data link connector.
Unified Meter and A/C Amp. Circuit InspectionNKS00397
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of unified meter and A/C amp. for damage, bend and loose connection (meter side and harness side).
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.
2. Check resistance between unified meter and A/C amp. harness connector terminals.
OK or NG
OK >> Replace unified meter and A/C amp.
NG >> Repair harness between unified meter and A/C amp.
and harness connector M41.
LDW camera unit
connector TerminalsResistance
(Approx.)
R9 10 5 54 – 66 Ω
SKIB2333E
Unified meter and
A/C amp. connec- tor Te r m i n a l s
Resistance
(Approx.)
M55 1 11 54 – 66 Ω
SKIA6871E
Page 3558 of 4462
![INFINITI FX35 2006 Service Manual LAN-198
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
ICC Sensor Circuit InspectionNKS00398
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cabl INFINITI FX35 2006 Service Manual LAN-198
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
ICC Sensor Circuit InspectionNKS00398
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cabl](/manual-img/42/57019/w960_57019-3557.png)
LAN-198
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
ICC Sensor Circuit InspectionNKS00398
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ICC sensor for damage, bend and loose connection (sensor side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check resistance between ICC sensor harness connector termi- nals.
OK or NG
OK >> Replace ICC sensor.
NG >> Repair harness between ICC sensor and ABS actuator and electric unit (control unit).
ABS Actuator and Electric Unit (Control Unit) Circuit InspectionNKS00399
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ABS actuator and electric unit (control unit) for damage, bend and loose connection (control unit side and harness side).
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.
2. Check resistance between ABS actuator and electric unit (con- trol unit) harness connector terminals.
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit (control unit) and harness connector E205.
ICC sensor con-
nector Terminals Resistance
(Approx.)
E39 3 6 54 – 66 Ω
SKIA6888E
ABS actuator and
electric unit (con-
trol unit) connector Terminals
Resistance
(Approx.)
E56 11 15 54 – 66 Ω
SKIA6872E
Page 3559 of 4462
![INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-199
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Revision: 2006 December 2006 FX35/FX45
Driver Seat Control Unit Circuit InspectionNKS0039A
1. CHECK CONNECTOR
1. Tur INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM LAN-199
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Revision: 2006 December 2006 FX35/FX45
Driver Seat Control Unit Circuit InspectionNKS0039A
1. CHECK CONNECTOR
1. Tur](/manual-img/42/57019/w960_57019-3558.png)
TROUBLE DIAGNOSIS FOR SYSTEM LAN-199
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Revision: 2006 December 2006 FX35/FX45
Driver Seat Control Unit Circuit InspectionNKS0039A
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 terminals.
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 InspectionNKS0039B
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.
Driver seat control
unit connector Te r m i n a l sResistance
(Approx.)
B152 14 15 54 – 66 Ω
SKIA6882E
Page 3560 of 4462
![INFINITI FX35 2006 Service Manual LAN-200
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness con INFINITI FX35 2006 Service Manual LAN-200
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness con](/manual-img/42/57019/w960_57019-3559.png)
LAN-200
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 December 2006 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector termi- nals.
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector B8.
CAN Communication Circuit InspectionNKS0039C
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the harness connector for each unit on the CAN network and check terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, Check
continuity between data link connector terminals.
OK or NG
OK >> GO TO 3.
NG >>
Repair harness
Change harness if shielded lines are used for the har-
ness
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminal and ground.
OK or NG
OK >> GO TO 4.
NG >>
Repair harness
Change harness if shielded lines are used for the har-
ness
IPDM E/R connec-
tor Terminals
Resistance
(Approx.)
E9 48 49 54 – 66 Ω
SKIB1363E
Data link connec-
tor Terminals Continuity
M5 6 14 No
PKIA9865E
Data link connec- tor Terminal
Ground Continuity
M5 6
No
14
PKIA9872E