ground INFINITI M35 2006 Factory Service Manual

CAN SYSTEM (TYPE 2)
LAN-123
[CAN]
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LAN
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M72
–BCM 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 harness connector M61
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector terminals 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 ECM and harness connector M72
Harness between ECM and BCM
Harness between ECM and harness connector M61
4. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect A/T assembly connector.
2. Check continuity between A/T assembly harness connector ter-
minals.
OK or NG
OK >> GO TO 5.
NG >> Repair harness between A/T assembly and harness
connector F102.
ECM connector Terminal Continuity
M71 94 86 No
PKIA9860E
ECM connector Terminal
GroundContinuity
M7194 No
86 No
PKIA9867E
A/T assembly
connectorTerminal Continuity
F42 3 8 No
SKIA6866E

LAN-124
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2006 January2006 M35/M45
5. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between A/T assembly harness connector termi-
nals and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness between A/T assembly and harness
connector F102.
6. 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 7.
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
A/T assembly
connectorTerminal
GroundContinuity
F423No
8No
SKIA6875E
Data link
connectorTerminal Continuity
M60 6 14 No
PKIA9865E

CAN SYSTEM (TYPE 2)
LAN-125
[CAN]
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MA
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LAN
Revision: 2006 January2006 M35/M45
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals 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 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
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect NAVI control unit connector.
2. Check continuity between NAVI control unit harness connector
terminals.
OK or NG
OK >> GO TO 9.
NG >> Repair harness between NAVI control unit and harness
connector M216.
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between NAVI control unit harness connector ter-
minals and ground.
OK or NG
OK >> GO TO 10.
NG >> Repair harness between NAVI control unit and harness
connector M216.
Data link
connectorTerminal
GroundContinuity
M606No
14 No
PKIA9872E
NAVI control unit
connectorTerminal Continuity
M210 71 72 No
PKIC0288E
NAVI control unit
connectorTerminal
GroundContinuity
M21071 No
72 No
PKIC0291E

LAN-126
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2006 January2006 M35/M45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between harness connector terminals.
OK or NG
OK >> GO TO 11.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between harness connector B15 and har-
ness connector B2
Harness between harness connector B15 and har-
ness connector B3
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector terminals and ground.
OK or NG
OK >> GO TO 12.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between harness connector B15 and har-
ness connector B2
Harness between harness connector B15 and harness connector B3
12. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit harness con-
nector terminals.
OK or NG
OK >> GO TO 13.
NG >> Repair harness between driver seat control unit and har-
ness connector B202.
Harness connector Terminal Continuity
B15 3 19 No
PKIC0292E
Harness connector Terminal
GroundContinuity
B153No
19 No
PKIC0293E
Driver seat control
unit connectorTerminal Continuity
B204 3 19 No
PKIA6842E

CAN SYSTEM (TYPE 2)
LAN-127
[CAN]
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LAN
Revision: 2006 January2006 M35/M45
13. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
terminals and ground.
OK or NG
OK >> GO TO 14.
NG >> Repair harness between driver seat control unit and har-
ness connector B202.
14. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector termi-
nals.
OK or NG
OK >> GO TO 15.
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)
15. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector terminals
and ground.
OK or NG
OK >> GO TO 16.
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)
Driver seat control
unit connectorTerminal
GroundContinuity
B2043No
19 No
SKIA5025E
IPDM E/R
connectorTerminal Continuity
E9 49 50 No
PKIC0290E
IPDM E/R
connectorTerminal
GroundContinuity
E949 No
50 No
PKIC0294E

CAN SYSTEM (TYPE 2)
LAN-129
[CAN]
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Revision: 2006 January2006 M35/M45
IPDM E/R Ignition Relay Circuit InspectionNKS003Z2
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”" .

LAN-170
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2006 January2006 M35/M45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector terminals 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 ECM and harness connector M72
Harness between ECM and BCM
Harness between ECM and harness connector M61
4. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect A/T assembly connector.
2. Check continuity between A/T assembly harness connector ter-
minals.
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 termi-
nals and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness between A/T assembly and harness
connector F102.
ECM connector Terminal
GroundContinuity
M7194 No
86 No
PKIA9867E
A/T assembly
connectorTerminal Continuity
F42 3 8 No
SKIA6866E
A/T assembly
connectorTerminal
GroundContinuity
F423No
8No
SKIA6875E

CAN SYSTEM (TYPE 3)
LAN-171
[CAN]
C
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LAN
Revision: 2006 January2006 M35/M45
6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect AFS control unit connector.
2. Check continuity between AFS control unit harness connector
terminals.
OK or NG
OK >> GO TO 7.
NG >> Repair harness between AFS control unit and harness
connector F102.
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between AFS control unit harness connector termi-
nals and ground.
OK or NG
OK >> GO TO 8.
NG >> Replace harness between AFS control unit and harness
connector F102.
AFS control unit
connectorTerminal Continuity
F110 30 7 No
PKIC0297E
AFS control unit
connectorTerminal
GroundContinuity
F11030 No
7No
PKIC0298E

LAN-172
[CAN]
CAN SYSTEM (TYPE 3)
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

CAN SYSTEM (TYPE 3)
LAN-173
[CAN]
C
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LAN
Revision: 2006 January2006 M35/M45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect AV control unit connector.
2. Check continuity between AV control unit harness connector ter-
minals.
OK or NG
OK >> GO TO 11.
NG >> Repair harness between AV control unit and harness
connector M216.
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between AV control unit harness connector termi-
nals and ground.
OK or NG
OK >> GO TO 12.
NG >> Repair harness between AV control unit and harness
connector M216.
12. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Pre-crash seat belt control unit connector
–Harness connector B15
–Harness connector B3
2. Check continuity between harness connector terminals.
OK or NG
OK >> GO TO 13.
NG >> Replace harness.
AV control unit
connectorTerminal Continuity
M210 71 72 No
PKIC0288E
AV control unit
connectorTerminal
GroundContinuity
M21071 No
72 No
PKIC0291E
Harness connector Terminal Continuity
B15 3 19 No
PKIC0292E