Inspection and Verification
WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern by operating the electronic audio system with the engine running and the vehicle in and out of motion.
- Visually inspect for obvious signs of mechanical or electrical damage.
- If the fault is not visually evident, proceed to the speaker walk-around test and audio unit self-diagnostic mode.
Speaker Walk-Around TestM
NOTE: To enter the speaker walk-around test or audio unit self-diagnostic mode, the audio unit must be turned on and in tuner mode (AM/FM). - To enter the speaker walk-around test, simultaneously press the audio unit preset buttons 3 and 6.
- The speaker walk-around test stops at each speaker and applies sound to each speaker for about one to two seconds. Each speaker is tested and displayed on the audio unit in the following sequence: RF, LF, LR, RR.
- The speaker walk-around test automatically continues and tests for a speaker short and CD/DJ. If a speaker short exists, SPKR SHORT will be displayed. If the vehicle is not equipped with CD/DJ or if the CD/DJ is not responding, NO DJ will be displayed.