Pinpoint Test J: The Audio Control Module (ACM) Does Not Respond To The Scan Tool: Notes

WARNING: This page is about a different car, the 2009 Mercury Mountaineer, 2009 Ford Explorer Sport Trac, and 2009 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Refer to appropriate SYSTEM WIRING DIAGRAMS - EXPLORER , SYSTEM WIRING DIAGRAMS - EXPLORER SPORT TRAC or SYSTEM WIRING DIAGRAMS - MOUNTAINEER article, Module Communications Network for schematic and connector information.

Refer to appropriate SYSTEM WIRING DIAGRAMS - EXPLORER , SYSTEM WIRING DIAGRAMS - EXPLORER SPORT TRAC or SYSTEM WIRING DIAGRAMS - MOUNTAINEER article, Audio System/Navigation for schematic and connector information.

Circuits VDB06 (GY/OG) (MS-CAN +) and VDB07 (VT/OG) (MS-CAN -) provide the network connection to the audio control module (ACM). The ACM shares the MS-CAN with the instrument cluster (IC), the smart junction box (SJB), the heating ventilation air conditioning (HVAC) module (if equipped), the satellite digital audio receiver system (SDARS) module (if equipped), the rear entertainment module (RETM), the driver seat module (DSM) (if equipped), the power running board (PRB) module (if equipped), the accessory protocol interface module (APIM) (if equipped) and the parking aid module (PAM) (if equipped). Voltage for the ACM is provided by circuits CBP12 (GN/WH) and SBP03 (BU/RD). Circuit GD114 (BK/BU) provides ground.

This pinpoint test is intended to diagnose the following:

Fuse
Wiring, terminals or connectors
ACM