Nissan Maxima. Manual — part 809
LAN-48
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
AV BRANCH LINE CIRCUIT
AV BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009471943
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 BOSE audio system - without navigation system
-
Models with BOSE audio system - with navigation system
-
Models with MID audio 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.
• Models without BOSE audio with color display:
AV-231, "AV CONTROL UNIT : Diagnosis Procedure"
• Models with BOSE audio with color display:
AV-388, "AV CONTROL UNIT : Diagnosis Procedure"
• Models with BOSE audio with color display with navigation system:
AV-571, "AV CONTROL UNIT : Diagno-
Is the inspection result normal?
YES (Present error)>>Replace the AV control unit. Refer to the following.
• Models without BOSE audio with color display:
AV-311, "Removal and Installation"
• Models with BOSE audio with color display:
AV-481, "Removal and Installation"
• Models with BOSE audio with color display with navigation system:
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.
M156
86
87
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M163
62
46
Approx. 54 – 66
AV control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M119
86
87
Approx. 54 – 66
LAN
HVAC BRANCH LINE CIRCUIT
LAN-49
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009471944
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.
• Models with color display:
HAC-60, "A/C AUTO AMP. : Diagnosis Procedure"
• Models with monochrome display:
HAC-165, "A/C AUTO AMP. : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the A/C auto amp. Refer to the following.
• Models with color display:
HAC-100, "Removal and Installation"
• Models monochrome display:
HAC-203, "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.
M37
1
2
Approx. 54 – 66
LAN-50
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
STRG BRANCH LINE CIRCUIT
STRG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009471945
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-109, "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.
M53
5
2
Approx. 54 – 66
LAN
A-BAG BRANCH LINE CIRCUIT
LAN-51
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009471946
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.
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