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![INFINITI FX35 2004 Service Manual LAN-164
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG INFINITI FX35 2004 Service Manual LAN-164
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG](/manual-img/42/57021/w960_57021-3464.png)
LAN-164
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG
OK >> GO TO 4.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between data link connector and ECM
Harness between data link connector and harness
connector M82
Harness between data link connector and display unit
Harness between data link connector and AWD control unit
Harness between data link connector and BCM
Harness between data link connector and steering angle sensor
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M41
4. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect A/T assembly connector.
2. Check continuity between A/T assembly harness connector F44
terminals 3 (L) and 8 (R).
OK or NG
OK >> GO TO 5.
NG >> Repair harness between A/T assembly and harness
connector F102.
5. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between A/T assembly harness connector F44 ter-
minals 3 (L), 8 (R) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness between A/T assembly and harness
connector F102. 6 (L) - Ground : Continuity should not exist.
14 (R) - Ground : Continuity should not exist.
SKIA6874E
3 (L) - 8 (R) : Continuity should not exist.
SKIA6866E
3 (L) - Ground : Continuity should not exist.
8 (R) - Ground : Continuity should not exist.
SKIA6875E
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LAN-165
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6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) conne INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 4)
LAN-165
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6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) conne](/manual-img/42/57021/w960_57021-3465.png)
CAN SYSTEM (TYPE 4)
LAN-165
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6. CHECK HARNESS FOR SHORT 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) and 15 (R).
OK or NG
OK >> GO TO 7.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E211
Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E205
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R) and ground.
OK or NG
OK >> GO TO 8.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E211
Harness between ABS actuator and electric unit (control unit) and harness connector E205
8. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B5 terminals 3 (L) and
10 (R).
OK or NG
OK >> GO TO 9.
NG >> Repair harness between harness connector B5 and har-
ness connector B5.
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B5 terminals 3 (L), 10
(R) and ground.
OK or NG
OK >> GO TO 10.
NG >> Repair harness between harness connector B5 and har-
ness connector B5. 11 (L) - 15 (R) : Continuity should not exist.
SKIA6872E
11 (L) - Ground : Continuity should not exist.
15 (R) - Ground : Continuity should not exist.
SKIA6876E
3 (L) - 10 (R) : Continuity should not exist.
SKIA6877E
3 (L) - Ground : Continuity should not exist.
10 (R) - Ground : Continuity should not exist.
SKIA6878E
Page 3467 of 4449
![INFINITI FX35 2004 Service Manual LAN-166
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector E9 INFINITI FX35 2004 Service Manual LAN-166
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector E9](/manual-img/42/57021/w960_57021-3466.png)
LAN-166
[CAN]
CAN SYSTEM (TYPE 4)
Revision: 2004 November 2004 FX35/FX45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (R).
OK or NG
OK >> GO TO 11.
NG >> Repair harness between IPDM E/R and harness con-
nector E205.
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector E9 termi-
nals 48 (L), 49 (R) and ground.
OK or NG
OK >> GO TO 12.
NG >> Repair harness between IPDM E/R and harness con-
nector E205.
12. ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION
Check components inspection. Refer to LAN-166, "
ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION" .
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-138, "Work Flow" .
NG >> Replace ECM and/or IPDM E/R.
IPDM E/R Ignition Relay Circuit CheckAKS00C1K
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”" .
Component InspectionAKS00C1L
ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION
Remove ECM and IPDM E/R from vehicle.
Check resistance between ECM terminals 94 and 86.
Check resistance between IPDM E/R terminals 48 and 49.48 (L) - 49 (R) : Continuity should not exist.
SKIA6873E
48 (L) - Ground : Continuity should not exist.
49 (R) - Ground : Continuity should not exist.
SKIA6879E
Unit TerminalResistance value (Ω)
(Approx.)
ECM 94 - 86
108 - 132
IPDM E/R 48 - 49
LKIA0037E
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CAN SYSTEM (TYPE 5)
LAN-167
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CAN SYSTEM (TYPE 5)PFP:23710
System DescriptionAKS00C1M
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Parts and Harness Connector LocationAKS00C1N
SKIA7122E
Page 3469 of 4449
LAN-168
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2004 November 2004 FX35/FX45
SchematicAKS00C1O
TKWM1298E
Page 3470 of 4449
CAN SYSTEM (TYPE 5)
LAN-169
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Wiring Diagram - CAN -AKS00C1P
TKWM1299E
Page 3471 of 4449
LAN-170
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2004 November 2004 FX35/FX45
TKWM0756E
Page 3472 of 4449
CAN SYSTEM (TYPE 5)
LAN-171
[CAN]
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Revision: 2004 November 2004 FX35/FX45
TKWH0251E