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![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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Driver Seat Control Unit Circuit InspectionNKS00410
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. D INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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Driver Seat Control Unit Circuit InspectionNKS00410
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. D](/manual-img/42/57023/w960_57023-3933.png)
CAN SYSTEM (TYPE 5)
LAN-265
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Driver Seat Control Unit Circuit InspectionNKS00410
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 B202
–Harness connector B15
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 >> Replace harness.
ABS Actuator and Electric Unit (Control Unit) Circuit InspectionNKS00411
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 ICC sensor integrated unit.
Driver seat control
unit connectorTerminalResistance
(Approx.)
B204 3 19 54 – 66
PKIA6842E
ABS actuator and
electric unit
(control unit)
connectorTerminalResistance
(Approx.)
E30 35 14 54 – 66
PKIC0289E
Page 3935 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-266
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
ICC Sensor Integrated Unit Circuit InspectionNKS00412
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cab INFINITI M35 2006 Factory Service Manual LAN-266
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
ICC Sensor Integrated Unit Circuit InspectionNKS00412
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cab](/manual-img/42/57023/w960_57023-3934.png)
LAN-266
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CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
ICC Sensor Integrated Unit Circuit InspectionNKS00412
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 integrated 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 sensor integrated unit connector.
2. Check resistance between ICC sensor integrated unit harness
connector terminals.
OK or NG
OK >> Replace ICC sensor integrated unit.
NG >> Repair harness between ICC sensor integrated unit and
IPDM E/R.
IPDM E/R Circuit InspectionNKS00413
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of IPDM E/R 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 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 ICC sensor inte-
grated unit.
ICC sensor
integrated unit
connectorTerminalResistance
(Approx.)
E61 3 6 54 – 66
PKIC0300E
IPDM E/R
connectorTerminalResistance
(Approx.)
E9 49 50 108 – 132
PKIC0290E
Page 3936 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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CAN Communication Circuit InspectionNKS00414
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconne INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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CAN Communication Circuit InspectionNKS00414
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconne](/manual-img/42/57023/w960_57023-3935.png)
CAN SYSTEM (TYPE 5)
LAN-267
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CAN Communication Circuit InspectionNKS00414
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
–AFS control unit
–BCM
–LDW camera unit
–Low tire pressure warning control unit
–Steering angle sensor
–Intelligent Key unit
–Unified meter and A/C amp.
–NAVI control unit
–Pre-crash seat belt control unit
–Driver seat control unit
–ABS actuator and electric unit (control unit)
–ICC sensor integrated unit
–IPDM E/R
–Between ECM and A/T assembly
–Between ECM and AFS control unit
–Between ECM and NAVI control unit
–Between ECM and driver seat control unit
–Between ECM and IPDM E/R
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M72
–BCM connector
–LDW camera unit connector
–Harness connector M61
2. Check continuity between ECM harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between ECM and harness connector M72
Harness between ECM and BCM
Harness between ECM and LDW camera unit
Harness between ECM and harness connector M61
ECM connector Terminal Continuity
M71 94 86 No
PKIA9860E
Page 3939 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-270
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steer INFINITI M35 2006 Factory Service Manual LAN-270
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CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steer](/manual-img/42/57023/w960_57023-3938.png)
LAN-270
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CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steering angle sensor connector
–Intelligent Key unit connector
–Unified meter and A/C amp. connector
–Harness connector M53
–Harness connector M13
2. Check continuity between data link connector terminals.
OK or NG
OK >> GO TO 9.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between data link connector and harness
connector M62
Harness between data link connector and low tire pressure warning control unit
Harness between data link connector and steering angle sensor
Harness between data link connector and Intelligent Key unit
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M53
Harness between data link connector and harness connector M13
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK >> GO TO 10.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between data link connector and harness
connector M62
Harness between data link connector and low tire pressure warning control unit
Harness between data link connector and steering angle sensor
Harness between data link connector and Intelligent Key unit
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M53
Harness between data link connector and harness connector M13
Data link
connectorTerminal Continuity
M60 6 14 No
PKIA9865E
Data link
connectorTerminal
GroundContinuity
M606No
14 No
PKIA9872E
Page 3942 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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16. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ABS actuator and electric uni INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 5)
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16. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ABS actuator and electric uni](/manual-img/42/57023/w960_57023-3941.png)
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16. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ABS actuator and electric unit (control unit) connector
–ICC sensor integrated unit connector
–IPDM E/R connector
2. Check continuity between IPDM E/R harness connector termi-
nals.
OK or NG
OK >> GO TO 17.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between IPDM E/R and harness connector
E105
Harness between IPDM E/R and ABS actuator and electric unit (control unit)
Harness between IPDM E/R and ICC sensor integrated unit
17. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector terminals
and ground.
OK or NG
OK >> GO TO 18.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between IPDM E/R and harness connector E105
Harness between IPDM E/R and ABS actuator and electric unit (control unit)
Harness between IPDM E/R and ICC sensor integrated unit
18. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance between ECM terminals.
3. Check resistance between IPDM E/R terminals.
OK or NG
OK >> GO TO 19.
NG >> Replace ECM and/or IPDM E/R.
IPDM E/R
connectorTerminal Continuity
E9 49 50 No
PKIC0290E
IPDM E/R
connectorTerminal
GroundContinuity
E949 No
50 No
PKIC0294E
Te r m i n a lResistance
(Approx.)
94 86 108 – 132
Te r m i n a lResistance
(Approx.)
49 50 108 – 132
LKIA0037E
Page 3943 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-274
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then INFINITI M35 2006 Factory Service Manual LAN-274
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CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then](/manual-img/42/57023/w960_57023-3942.png)
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19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then make sure that the symptom is reproduced.
OK or NG
OK >> GO TO 20.
NG >> Refer to LAN-18, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
20. 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
–AFS control unit
–BCM
–LDW camera unit
–Low tire pressure warning control unit
–Steering angle sensor
–Intelligent Key unit
–Unified meter and A/C amp.
–NAVI control unit
–Pre-crash seat belt control unit
–Driver seat control unit
–ABS actuator and electric unit (control unit)
–ICC sensor integrated 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 InspectionNKS00415
Check the following. If no malfunction is found, replace the IPDM E/R.
IPDM E/R power supply circuit. Refer to PG-30, "Check IPDM E/R Power Supply and Ground Circuit" .
Ignition power supply circuit. Refer to PG-12, "IGNITION POWER SUPPLY — IGNITION SW. IN “ON”
AND/OR “START”" .
Page 3962 of 5621
CAN SYSTEM (TYPE 6)
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Case 10
Check steering angle sensor circuit. Refer to LAN-308, "Steering Angle Sensor Circuit Inspection" .
PKIB8456E
SKIB4221E
Page 3977 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-308
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector terminals.
OK or N INFINITI M35 2006 Factory Service Manual LAN-308
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Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector terminals.
OK or N](/manual-img/42/57023/w960_57023-3976.png)
LAN-308
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2006 January2006 M35/M45
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-17, "Removal and Installa-
tion of BCM" .
NG >> Repair harness between BCM and harness connector
M61.
Low Tire Pressure Warning Control Unit Circuit InspectionNKS0041I
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of low tire pressure warning control unit for damage, bend and loose con-
nection (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 low tire pressure warning control unit connector.
2. Check resistance between low tire pressure warning control unit
harness connector terminals.
OK or NG
OK >> Replace low tire pressure warning control unit.
NG >> Repair harness between low tire pressure warning con-
trol unit and data link connector.
Steering Angle Sensor Circuit InspectionNKS0041J
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.
BCM connector TerminalResistance
(Approx.)
M1 39 40 54 – 66
SKIA6869E
Low tire pressure
warning control
unit connectorTerminalResistance
(Approx.)
M19 15 16 54 – 66
PKIC0285E