Diesel Data: Automotive Repair

Power Will Not Turn OFF

Power will not turn OFF

1. With the ignition switch ON (II), push the power switch OFF, or turn the ignition switch OFF to see if the audio unit turns OFF.

Is the audio unit OFF?

YES - Operation is normal.

NO - Go to step 2.

2. Turn the ignition switch OFF.
3. Remove the audio unit. Disconnect the audio unit connector A (20P).




4. Measure the voltage between the No. 2 terminal of the audio unit connector A (20P) and body ground.

Is there voltage?

YES - Check for short to power on YEL wire.

NO - Replace the audio unit.