nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Steering Switch Signal A Circuit (Steering Switch To TEL Adapter Unit)|Page 4739 > < Steering Switch Signal A Circuit (Steering Switch To TEL Adapter Unit)|Page 4737
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1.CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT (STEERING SWITCH TO TEL ADAPTER UNIT)
1. Turn ignition switch OFF.
2. Disconnect TEL adapter unit connector and spiral cable connector.
3. Check continuity between TEL adapter unit harness connector and spiral cable harness connector.

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.
3.CHECK GROUND CIRCUIT
1. Connect TEL adapter unit connector.
2. Check continuity between TEL adapter unit harness connector and ground.

Is the inspection result normal?
YES  - GO TO 4.
NO - Replace TEL adapter unit.  See: Cellular Phone/Service and Repair/Exploded View/Display Audio System
4.CHECK STEERING SWITCH
Check steering switch.  See: Component Inspection/Display Audio System.
Is the inspection result normal?
YES  - INSPECTION END
NO - Replace steering switch.  See: Steering and Suspension/Steering/Steering Wheel/Service and Repair/Removal and Replacement/Exploded View

Audio System

STEERING SWITCH SIGNAL GND CIRCUIT (STEERING SWITCH TO TEL ADAPTER UNIT)

Component Inspection

Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.

Steering Switch Signal A Circuit (Steering Switch To TEL Adapter Unit)|Page 4739 > < Steering Switch Signal A Circuit (Steering Switch To TEL Adapter Unit)|Page 4737