Nissan Teana J32. Manual - part 159
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-491
< COMPONENT DIAGNOSIS >
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STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000003765941
Transmits the steering switch signal to AV control unit.
Diagnosis Procedure
INFOID:0000000003765942
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connector and spiral cable connector.
3.
Check continuity between AV control unit harness connector and spiral cable harness connector.
4.
Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES
>> GO TO 3.
NO
>> Replace spiral cable.
3.
CHECK AV CONTROL UNIT VOLTAGE
1.
Connect AV control unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between AV control unit harness connector.
Is inspection result normal?
YES
>> GO TO 4.
NO
>> Replace AV control unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
AV-492, "Component Inspection"
Is inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
AV control unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M127
16
M33
31
Existed
AV control unit
Ground
Continuity
Connector
Terminal
M127
16
Not existed
(+)
(
−
)
Voltage
(Approx.)
AV control unit
AV control unit
Connector
Terminal
Connector
Terminal
M127
16
M127
15
3.5 V