Audio Unit Power Switch Will Not Turn Off (With Navigation)

Audio unit power switch will not turn off (with navigation)

NOTE:
- Check for aftermarket accessories plugged into the vehicle's accessory power sockets.
- Check the connectors for poor connections or loose terminals.

1. With the ignition switch in ON (II), push the power switch OFF or turn the ignition switch to LOCK (0) to see if the navigation unit turns OFF.

Does the navigation unit turn OFF?

YES - Operation is normal.

NO - Go to step 2.

2. Turn the ignition switch to LOCK (0).
3. Remove the navigation unit. Disconnect navigation unit connector A (17P).

NOTE:
- Eject all the CDs before removing the navigation unit to prevent damaging the CD player's load mechanism.
- Remove the PC card before removing the navigation unit.

4. Measure the voltage between navigation unit connector A (17P) terminal No. 14 and body ground.






Is there voltage?

YES - Check for short to power on PUR wire.

NO - Replace the navigation unit.