Pinpoint Test R: The Entire Audio System Is Inoperative - All Systems Except Navigation

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

R1 CHECK FOR SCAN TOOL COMMUNICATION
- Carry out the network test with the scan tool.
- Do either the ACM or the FCIM fail to communicate with the scan tool?
1. YES : REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication condition for the appropriate module.
2. NO : Go to R2.
R2 CARRY OUT THE SPEAKER WALK-AROUND TEST
- Carry out the speaker walk-around test using the scan tool.
- Is the speaker walk-around test successful?
1. YES : Go to R3.
2. NO : Go to R4.
R3 CHECK FOR CORRECT FCIM OPERATION
- Disconnect the FCIM connector.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect the FCIM connector and make sure it seats correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new FCIM. REFER to Front Controls Interface Module (FCIM) . TEST the system for normal operation. If the concern is still present, go to R4.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
R4 CHECK FOR CORRECT ACM OPERATION
- Disconnect all the ACM connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all the ACM connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.