Nissan Murano. Manual — part 988
LAN
AV BRANCH LINE CIRCUIT
LAN-263
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 12)]
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AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010093761
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 AV 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 AV control unit.
2.
Check the resistance between the AV control unit harness connector terminals.
-
Models with navigation system
-
Models without 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 color display:
AV-118, "AV CONTROL UNIT : Diagnosis Procedure"
• BOSE audio without navigation:
AV-244, "AV CONTROL UNIT : Diagnosis Procedure"
• BOSE audio with navigation:
AV-419, "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 color display:
AV-149, "Removal and Installation"
• BOSE audio without navigation:
AV-276, "Removal and Installation"
• BOSE audio with navigation:
AV-448, "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.
M180
90
74
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M174
81
80
Approx. 54 – 66
LAN-264
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 12)]
HVAC BRANCH LINE CIRCUIT
HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010093762
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 A/C auto amp. 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 A/C auto amp.
2.
Check the resistance between the A/C auto amp. harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the A/C auto amp. branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
• Without 7 inch display:
HAC-77, "A/C AUTO AMP. : Diagnosis Procedure"
• With 7 inch display:
HAC-202, "A/C AUTO AMP. : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the A/C auto amp. Refer to the following.
• Without 7 inch display:
VTL-25, "Removal and Installation"
• With 7 inch display:
VTL-89, "Removal and Installation"
YES (Past error)>>Error was detected in the A/C auto amp. branch line.
NO
>> Repair the power supply and the ground circuit.
A/C auto amp. harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M50
1
2
Approx. 54 – 66
LAN
M&A BRANCH LINE CIRCUIT
LAN-265
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 12)]
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M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010093763
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 combination meter 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 combination meter.
2.
Check the resistance between the combination meter harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the combination meter branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the combination meter. Refer to
MWI-105, "Removal and Installation"
YES (Past error)>>Error was detected in the combination meter branch line.
NO
>> Repair the power supply and the ground circuit.
Combination meter harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M34
21
22
Approx. 54 – 66
LAN-266
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 12)]
A-BAG BRANCH LINE CIRCUIT
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010093764
WARNING:
• 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
Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connec-
tion (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the terminal and connector.
2.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to the following.
• For USA and CANADA:
• For MEXICO:
Is the inspection result normal?
YES
>> Replace the main harness.
NO
>> Replace parts whose air bag system has a malfunction.
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