Operation CHARM: Car repair manuals for everyone.

Test G: The Audio Input Jack Is Inoperative/Does Not Operate Correctly

PINPOINT TEST G: THE AUDIO INPUT JACK IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

Normal Operation - Vehicles Without the SYNC System
Audio signals are sent from the audio input jack to the audio control module (ACM). There are no external power or ground circuits to the audio input jack.

Vehicles With The SYNC System
Audio signals are sent from the audio input jack to the accessory protocol interface module (APIM). The signals are then sent to the ACM. There are no external power or ground circuits to the audio input jack.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Audio input jack
- ACM
- APIM (if equipped)


G1-G3:






G3-G6:






G7: