Important: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
---|---|---|---|---|
Rear Audio Left Signal | 1 | 1 | 2 | -- |
Rear Audio Right Signal | 1 | 1 | 2 | -- |
Rear Audio Common Signal | -- | 2 | 2 | -- |
1. Loss of audio channel during mobile entertainment system play. 2. Degraded audio playback during mobile entertainment system play. |
The rear audio signals and rear audio common circuits are outputs from the mobile entertainment player module. These circuits carry the mobile entertainment audio signals to the disc player and video display.
This diagnostic assumes that the audio quality is good while playing a DVD or during play of an auxiliary audio source through the mobile entertainment system. This diagnostic also assumes that the audio quality is poor or non-existent only during mobile entertainment system play. Be sure to check for these conditions. Be sure that there is an audio selection available to play via the mobile entertainment cartridge.
Entertainment Connector End Views
⇒ | If there is no continuity through the audio coupling transformer, replace the harness. |
⇒ | If there is no continuity through the audio coupling transformer, replace the harness. |
Important: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure.