Nissan Quest E52. Instruction — part 837
LAN-62
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
STRG BRANCH LINE CIRCUIT
STRG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009653558
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the steering angle sensor for damage, bend and loose connection
(unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of steering angle sensor.
2.
Check the resistance between the steering angle sensor harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the steering angle sensor branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the steering angle sensor. Refer to
BRC-126, "Removal and Installation"
.
YES (Past error)>>Error was detected in the steering angle sensor branch line.
NO
>> Repair the power supply and the ground circuit.
Steering angle sensor harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M30
5
2
Approx. 54 – 66
LAN
A-BAG BRANCH LINE CIRCUIT
LAN-63
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009653559
WARNING:
Always observe the following items for preventing accidental activation.
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes
or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose con-
nection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the main harness.
2.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to
Is the inspection result normal?
YES
>> Replace the main harness.
NO
>> Replace parts whose air bag system has a malfunction.
LAN-64
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009653560
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
AV control unit
-
Harness connector M157
-
Harness connector M46
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of AV control unit.
2.
Check the resistance between the AV control unit harness connector terminals.
-
Models without navigation system
-
Models with navigation system
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the AV control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
• Base audio with separate display:
AV-213, "AV CONTROL UNIT : Diagnosis Procedure"
• BOSE audio without navigation:
AV-367, "AV CONTROL UNIT : Diagnosis Procedure"
• BOSE audio with navigation:
AV-580, "AV CONTROL UNIT : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the AV control unit. Refer to the following.
• Base audio with separate display:
AV-250, "Removal and Installation"
• BOSE audio without navigation:
AV-404, "Removal and Installation"
AV-610, "Removal and Installation"
YES (Past error)>>Error was detected in the AV control unit branch line.
NO
>> Repair the power supply and the ground circuit.
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M174
81
80
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M180
90
74
Approx. 54 – 66
LAN
AVM BRANCH LINE CIRCUIT
LAN-65
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
AVM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009653561
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check the terminals and connectors of the around view monitor control unit for damage, bend and loose
connection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of around view monitor control unit.
2.
Check the resistance between the around view monitor control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the around view monitor control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the around view monitor control unit. Refer to
"AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the around view monitor control unit. Refer to
AV-631, "Removal and Installa-
.
YES (Past error)>>Error was detected in the around view monitor control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Around view monitor control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M253
12
10
Approx. 54 – 66
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