AUDIO AMP.: Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK FUSE
Check that the following fuse is not blown.
Terminal No. Signal name Fuse No. 1 Battery power supply 17 (15A) 17 Is the fuse blown?
YES: Replace the blown fuse after repairing the affected circuit.
NO: GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect audio amplifier connector B158.
- Check voltage between audio amplifier connector B158 and ground.
Audio amplifier Ground Condition Voltage (Approx.) Connector Terminal B158 1 - Ignition switch: OFF Battery voltage 17 Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace harness or connectors.
- CHECK GROUND CIRCUIT
Check continuity between audio amplifier connector B158 and ground.
Audio amplifier Ground Continuity Connector Terminal B158 4 - Yes 20 Is the inspection result normal?
YES: Inspection End.
NO: Repair or replace harness or connectors.