Information and Entertainment Systems - Base

Audio Control Module (ACM) Self-Diagnostic Mode

WARNING: Before beginning any service procedure, REFER to Safety Warnings . Failure to follow this instruction may result in serious personal injury.

General Procedure

1. NOTE: If the ACM (Audio Control Module) is completely inoperative (does not power up), obtain the ACM (Audio Control Module) part number using the part number decal on the ACM (Audio Control Module) chassis.
Turn the ACM (Audio Control Module) on.

2. Operate the audio system in radio tuner (AM/FM (Amplitude Modulation/Frequency Modulation)) mode.

3. Press and hold the eject button, and within 1 second, press the seek up button until the speaker walk around test begins.

- The display indicates each speaker as it is tested.

4. To exit the self-diagnostic mode, turn the ACM (Audio Control Module) off.