Nissan Pathfinder. Manual — part 781
LAN
HVAC BRANCH LINE CIRCUIT
LAN-77
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009174968
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
.
Is the inspection result normal?
YES (Present error)>>Replace the A/C auto amp. Refer to
HAC-157, "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
21
Approx. 54 – 66
LAN-78
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
M&A BRANCH LINE CIRCUIT
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009174969
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-82, "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.
M24
39
38
Approx. 54 – 66
LAN
SONAR BRANCH LINE CIRCUIT
LAN-79
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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SONAR BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009174970
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 sonar 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 sonar control unit.
2. Check the resistance between the sonar control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Replace the main harness.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the sonar control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the sonar control unit. Refer to
SN-34, "Removal and Installation"
.
YES (Past error)>>Error was detected in the sonar control unit branch line.
NO
>> Repair the power supply and the ground circuit.
Sonar control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M70
5
6
Approx. 54 – 66
LAN-80
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
STRG BRANCH LINE CIRCUIT
STRG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000009174971
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.
M54
5
2
Approx. 54 – 66
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