Nissan Juke Service and Repair Manual : Steering switch signal B circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL B CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Check continuity between audio unit harness connector and spiral cable harness connector.
3. Check continuity between audio unit harness connector and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace spiral cable. Refer to SR-16, "Exploded View".
3.CHECK AUDIO UNIT VOLTAGE
1. Connect audio unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace audio unit. Refer to AV-38, "Removal and Installation".
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-30, "Component Inspection".
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace steering switch. Refer to AV-44, "Exploded View".
Component Inspection
Measure the resistance between the steering switch connector.
Standard
Steering switch signal a circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Chec ...
Steering switch ground circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. ...
Other materials:
TCM branch line circuit
Diagnosis Procedure
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 connector
side).
- TCM
- Harness connecotor F1
- Harness ...
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
• Each time electric throttle control actuator or ECM is replaced.
• Idle speed or i ...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected
circuit if a fuse or fusible link is
blown.
NO >> GO TO 2.
2.CHECK ...