Dual DVD Rear Seat Entertainment Headrest Audio Distorted or Inoperative
Dual DVD Rear Seat Entertainment Headrest Audio Distorted or Inoperative
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.
Circuit/System Testing
Dual DVD Rear Seat Entertainment Audio Inoperative
1. Turn ON the ignition, Tune the radio to station 88.3, 88.7, 89.1, 89.5, 89.9, or 90.3MHz. Chose the station that has the least amount of regular audible radio reception.
2. Press the power button on the headrest DVD displays. Insert a DVD and operate the DVD player in play mode. Verify the DVD audio can not received on one of the above stations.
• If the DVD audio can be heard review the system operation with the customer.
3. Verify the DVD player is in play mode.
4. At the DVD control module, test for AC voltage between terminal 6 and terminal 3 or 4 with a DMM at the back of the black or red connector.
• If AC voltage is present replace the DVD control module.
5. Turn the DVD player off and disconnect both connectors from the DVD display that was playing the DVD.
6. Swap the two connectors on the display and swap the two corresponding connectors at the DVD control module. Verify the DVD audio now operates normally.
• If the DVD audio now operates normally, replace the DVD display harness.
• It the DVD audio is still inoperative replace the suspect DVD display.
Dual DVD Rear Seat Entertainment Audio Distorted
1. Turn ON the ignition, Tune the radio to station 88.3, 88.7, 89.1, 89.5, 89.9, or 90.3MHz. Chose the station that has the least amount of regular audible radio reception.
2. Press the power button on the headrest DVD displays. Insert a DVD and operate the DVD player in play mode. Verify the DVD audio is distorted on one of the above stations.
• If the DVD audio can be heard review the system operation with the customer.
3. Turn the DVD player off and disconnect both connectors from the DVD display that was playing the DVD.
4. Swap the two connectors on the display and swap the two corresponding connectors at the DVD control module. Verify the DVD audio now operates normally.
• If the DVD audio now operates normally, replace the DVD display harness.
• If the DVD audio distortion persists, replace the DVD control module.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests
Refer to the accessory installation instructions for replacement.