Infiniti Q45. Manual — part 663
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-101
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
4.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect harness connector M23.
2.
Check continuity between harness connector (A) and harness
connector (B).
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness.
5.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect LDW camera unit connector.
2.
Check continuity between harness connector (A) and LDW cam-
era unit connector (B).
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
LAN-19, "TROUBLE DIAGNOSES WORK FLOW"
NG
>> Repair harness.
Inspection Between RAS Control Unit and Data Link Connector Circuit
NKS002IS
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 B6
–
Harness connector M6
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M6
23
M23
22
Yes
24
23
Yes
SKIB7534E
A
B
Continuity
Connector
Terminal
Connector
Terminal
R3
22
R26
10
Yes
23
5
Yes
SKIB7535E
LAN-102
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect RAS control unit connector and harness connector B6.
2.
Check continuity between RAS control unit harness connector
(A) and harness connector (B).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
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-19, "TROUBLE DIAGNOSES WORK FLOW"
.
NG
>> Repair harness.
Inspection Between LDW Camera Unit and Data Link Connector Circuit
NKS002IU
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 R3
–
Harness connector M23
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect LDW camera unit connector and harness connector R3.
2.
Check continuity between LDW camera unit harness connector
(A) and harness connector (B).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
A
B
Continuity
Connector
Terminal
Connector
Terminal
B39
1
B6
23
Yes
8
24
Yes
SKIB7533E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M6
23
M31
6
Yes
24
14
Yes
SKIB7538E
A
B
Continuity
Connector
Terminal
Connector
Terminal
R26
10
R3
5
Yes
5
6
Yes
SKIB7536E
TROUBLE DIAGNOSIS FOR SYSTEM
LAN-103
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
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-19, "TROUBLE DIAGNOSES WORK FLOW"
NG
>> Repair harness.
ECM Circuit Inspection
NKS002IV
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.
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 Inspection
NKS002IW
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of A/T assembly for damage, bend and loose connection (control module
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M23
5
M31
6
Yes
6
14
Yes
SKIB7537E
ECM connector
Terminal
Resistance
(Approx.)
F101
94
86
108 – 132
Ω
PKIA9592E
LAN-104
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
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 ECM.
ICC Sensor Circuit Inspection
NKS002IX
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 for damage, bend and loose connection (sensor 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 connector.
2.
Check resistance between ICC sensor harness connector termi-
nals.
OK or NG
OK
>> Replace ICC sensor.
NG
>> Repair harness between ICC sensor and VDC/TCS/
ABS control unit.
VDC/TCS/ABS Control Unit Circuit Inspection
NKS002IY
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check terminals and connector of VDC/TCS/ABS 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.
A/T assembly con-
nector
Terminal
Resistance
(Approx.)
F26
3
8
54 – 66
Ω
SKIA6866E
ICC sensor
connector
Terminal
Resistance
(Approx.)
E52
3
6
54 – 66
Ω
PKIA9878E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст