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LAN-198
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2005 July 2005 FX
Case 19
Check CAN communication circuit. Refer to LAN-211, "CAN Communication Circuit Inspection" .
PKIB4399E
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CAN SYSTEM (TYPE 4) LAN-199
[CAN]
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Case 20
Check IPDM E/R ignition relay circuit continuously sticks “OFF”. Refer to LAN-218, "IPDM E/R Ignition Relay
Circuit Inspection" .
PKIB4400E
Page 3619 of 4731
LAN-200
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2005 July 2005 FX
Case 21
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to LAN-218, "IPDM E/R Ignition Relay
Circuit Inspection" .
Inspection Between TCM and Data Link Connector CircuitAKS00CDQ
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.
PKIB4401E
14H (L) - 6 (L) : Continuity should exist.
15H (R) - 14 (R) : Continuity should exist.
SKIA6861E
Page 3620 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-201
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CDR
1. CHEC INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-201
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
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AKS00CDR
1. CHEC](/manual-img/42/57020/w960_57020-3619.png)
CAN SYSTEM (TYPE 4) LAN-201
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Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CDR
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
AKS00CDS
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 3621 of 4731
![INFINITI FX35 2005 Service Manual LAN-202
[CAN]
CAN SYSTEM (TYPE 4)
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-202
[CAN]
CAN SYSTEM (TYPE 4)
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_57020-3620.png)
LAN-202
[CAN]
CAN SYSTEM (TYPE 4)
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
AKS00CDT
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 3622 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-203
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Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity betwe INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-203
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3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity betwe](/manual-img/42/57020/w960_57020-3621.png)
CAN SYSTEM (TYPE 4) LAN-203
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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 InspectionAKS00CDU
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 InspectionAKS00CDV
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
Page 3623 of 4731
![INFINITI FX35 2005 Service Manual LAN-204
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 INFINITI FX35 2005 Service Manual LAN-204
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44](/manual-img/42/57020/w960_57020-3622.png)
LAN-204
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 terminals 3 (L) and 8 (R).
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 InspectionAKS00CDW
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 M76 terminals 25 (L) and 26 (R).
OK or NG
OK >> Replace display control unit.
NG >> Repair harness between display control unit and har- ness connector M82.
ICC Unit Circuit InspectionAKS00CDX
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. 3 (L) - 8 (R) : Approx. 54 - 66
Ω
SKIA6866E
25 (L) - 26 (R) : Approx. 54 - 66Ω
SKIA6884E
Page 3624 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-205
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC unit connector.
2. Check resistance between INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 4) LAN-205
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC unit connector.
2. Check resistance between](/manual-img/42/57020/w960_57020-3623.png)
CAN SYSTEM (TYPE 4) LAN-205
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC unit connector.
2. Check resistance between ICC unit harness connector M88 ter- minals 14 (L) and 5 (R).
OK or NG
OK >> Replace ICC unit.
NG >> Repair harness between ICC unit and harness connec-
tor M82.
Intelligent Key Unit Circuit InspectionAKS00CDY
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 M34 terminals 2 (L) and 3 (R).
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair harness between Intelligent Key unit and data link connector.
Data Link Connector Circuit InspectionAKS00CDZ
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. 14 (L) - 5 (R) : Approx. 54 - 66
Ω
SKIA6886E
2 (L) - 3 (R) : Approx. 54 - 66Ω
SKIA6887E