Infiniti Q45. Manual — part 661
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-93
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
TROUBLE DIAGNOSIS FOR SYSTEM
PFP:00000
Inspection Between TCM and VDC/TCS/ABS Control Unit Circuit
NKS002IP
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 F34
–
Harness connector E34
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect A/T assembly connector and harness connector F34.
2.
Check continuity between A/T assembly harness connector and
harness connector.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect VDC/TCS/ABS control unit connector.
2.
Check continuity between harness connector and VDC/TCS/
ABS control unit harness connector.
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
LAN-19, "TROUBLE DIAGNOSES WORK FLOW"
NG
>> Repair harness.
A/T assembly connector
Harness connector
Continuity
Connector
Terminal
Connector
Terminal
F26
3
F34
3 Yes
8
8
Yes
PKIA9853E
Harness connector
VDC/TCS/ABS control unit
connector
Continuity
Connector
Terminal
Connector
Terminal
E34
3
E218
61
Yes
8
63
Yes
PKIA9854E
LAN-94
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Inspection Between TCM and ICC Sensor Circuit
NKS002DW
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 F34
–
Harness connector E34
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect A/T assembly connector and harness connector F34.
2.
Check continuity between A/T assembly harness connector and
harness connector.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ICC sensor connector.
2.
Check continuity between harness connector and ICC sensor
harness connector.
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
LAN-19, "TROUBLE DIAGNOSES WORK FLOW"
.
NG
>> Repair harness.
A/T assembly connector
Harness connector
Continuity
Connector
Terminal
Connector
Terminal
F26
3
F34
3
Yes
8
8
Yes
PKIA9853E
Harness connector
ICC sensor connector
Continuity
Connector
Terminal
Connector
Terminal
E34
3
E52
3
Yes
8
6
Yes
PKIA9874E
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-95
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Inspection Between ICC Sensor and VDC/TCS/ABS Control Unit Circuit
NKS002DX
1.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect following connectors.
–
ECM connector
–
ICC sensor connector
–
VDC/TCS/ABS control unit connector
4.
Check continuity between ICC sensor harness connector and
VDC/TCS/ABS control unit harness connector.
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
LAN-19, "TROUBLE DIAGNOSES WORK FLOW"
NG
>> Repair harness.
Inspection Between VDC/TCS/ABS Control Unit and Pre-Crash Seat Belt Con-
trol Unit Circuit
NKS002IQ
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 E224
–
Harness connector B204
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect VDC/TCS/ABS control unit connector and harness connector E224.
2.
Check continuity between VDC/TCS/ABS control unit harness
connector and harness connector.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
ICC sensor connector
VDC/TCS/ABS control unit
connector
Continuity
Connector
Terminal
Connector
Terminal
E52
3
E218
61 Yes
6
63
Yes
PKIA9875E
VDC/TCS/ABS control unit con-
nector
Harness connector
Continuity
Connector
Terminal
Connector
Terminal
E218
61
E224
5
Yes
63
12
Yes
PKIA9855E
LAN-96
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect pre-crash seat belt control unit connector.
2.
Check continuity between harness connector and pre-crash
seat belt control unit harness connector.
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
LAN-19, "TROUBLE DIAGNOSES WORK FLOW"
.
NG
>> Repair harness.
Inspection Between VDC/TCS/ABS Control Unit and ICC Unit Circuit
NKS002DY
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 E224
–
Harness connector B204
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect VDC/TCS/ABS control unit connector and harness connector E224.
2.
Check continuity between VDC/TCS/ABS control unit harness
connector and harness connector.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
Harness connector
Pre-crash seat belt control unit
connector
Continuity
Connector
Terminal
Connector
Terminal
B204
5
B318
24
Yes
12
22
Yes
PKIA9856E
VDC/TCS/ABS control unit con-
nector
Harness connector
Continuity
Connector
Terminal
Connector
Terminal
E218
61
E224
5
Yes
63
12
Yes
PKIA9855E
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