INFINITI M35 2006 Factory Service Manual

LAN-392
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Case 17
Check pre-crash seat belt control unit circuit. Refer to LAN-406, "Pre-Crash Seat Belt Control Unit Circuit
Inspection" .
PKIB8485E
SKIB4319E

CAN SYSTEM (TYPE 8)
LAN-393
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 18
Check driver seat control unit circuit. Refer to LAN-407, "Driver Seat Control Unit Circuit Inspection" .
PKIB8486E
SKIB4320E

LAN-394
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Case 19
Check ABS actuator and electric unit (control unit) circuit. Refer to LAN-407, "ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection" .
PKIB8487E
SKIB4321E

CAN SYSTEM (TYPE 8)
LAN-395
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 20
Check IPDM E/R circuit. Refer to LAN-408, "IPDM E/R Circuit Inspection" .
PKIB8488E
SKIB4322E

LAN-396
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Case 21
Check CAN communication circuit. Refer to LAN-409, "CAN Communication Circuit Inspection" .
Case 22
Check IPDM E/R ignition relay circuit continuously sticks “OFF”. Refer to LAN-416, "IPDM E/R Ignition Relay
Circuit Inspection" .
PKIB8489E
PKIB8490E

CAN SYSTEM (TYPE 8)
LAN-397
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 23
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to LAN-416, "IPDM E/R Ignition Relay
Circuit Inspection" .
Inspection Between TCM and Data Link Connector CircuitNKS0042M
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 M61
–Harness connector M62
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M72 and harness connector M61.
2. Check continuity between harness connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
PKIB8491E
AB
Continuity
Connector Terminal Connector Terminal
M7243H
M61 1 Yes
42H 2 Yes
PKIC0279E

LAN-398
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
3. CHECK HARNESS FOR OPEN CIRCUIT
Check continuity between harness connector (A) and data link con-
nector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between Data Link Connector and RAS Control Unit CircuitNKS0042N
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 M13
–Harness connector B2
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M13.
2. Check continuity between data link connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect RAS control unit connector.
2. Check continuity between harness connector (A) and RAS con-
trol unit harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
AB
Continuity
Connector Terminal Connector Terminal
M621
M606 Yes
214Yes
PKIC0280E
AB
Continuity
Connector Terminal Connector Terminal
M606
M1320M Yes
14 21M Yes
PKIC0281E
AB
Continuity
Connector Terminal Connector Terminal
B220M
B1271 Yes
21M 8 Yes
PKIC0301E

CAN SYSTEM (TYPE 8)
LAN-399
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Inspection Between RAS Control Unit and Pre-Crash Seat Belt Control Unit Cir-
cuit
NKS0042O
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect following connectors.
–ECM connector
–RAS control unit connector
–Pre-crash seat belt control unit connector
4. Check continuity between RAS control unit harness connector
(A) and pre-crash seat belt control unit harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
Inspection Between Pre-Crash Seat Belt Control Unit and Driver Seat Control
Unit Circuit
NKS0042P
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect following connectors.
–ECM connector
–Pre-crash seat belt control unit connector
–harness connector B15
4. Check continuity between pre-crash seat belt control unit har-
ness connector (A) and harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
AB
Continuity
Connector Terminal Connector Terminal
B1271
B14224 Yes
822Yes
PKIC0304E
AB
Continuity
Connector Terminal Connector Terminal
B14224
B15 3 Yes
22 19 Yes
PKIC0296E

LAN-400
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Inspection Between Driver Seat Control Unit and ABS Actuator and Electric Unit
(Control Unit) Circuit
NKS0042Q
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 B3
–Harness connector E105
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between harness connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 3.
NG >> Replace harness.
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector (A) and ABS actu-
ator and electric unit (control unit) harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
ECM Circuit InspectionNKS0042R
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.
AB
Continuity
Connector Terminal Connector Terminal
B153
B3 9Yes
19 8 Yes
PKIC0283E
AB
Continuity
Connector Terminal Connector Terminal
E1059
E30 35 Yes
814Yes
PKIC0284E

CAN SYSTEM (TYPE 8)
LAN-401
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector terminals.
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and A/T assembly.
TCM Circuit InspectionNKS0042S
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 M72
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 AFS control
unit.
ECM connector TerminalResistance
(Approx.)
M71 94 86 108 – 132
PKIA9860E
A/T assembly
connectorTerminalResistance
(Approx.)
F42 3 8 54 – 66
SKIA6866E