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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 355 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Audio/Video Disc Player Adapter - Audio or Video Inoperative or Degraded Quality >> Circuit/System Testing >> Auxiliary Video Malfunction

Auxiliary Video Malfunction

WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X3 harness connector at the radio.
  2. Ignition ON, verify that a test lamp does not illuminate between B+ and the auxiliary video high signal circuit terminal 8.
    • If the test lamp illuminates, test the signal circuit for a short to ground. If the circuit tests normal, replace the audio/video adapter.
  3. Verify that a test lamp does not illuminate between the auxiliary video high signal circuit terminal 8 and ground.
    • If the test lamp illuminates, test the signal circuit for a short to voltage. If the circuit tests normal, replace the audio/video adapter.
  4. Ignition OFF, test for less than 1 ohm between the signal circuit at terminal 8 and the video jack terminal (yellow).
    • If greater than the specified range, test the signal circuit for an open/high resistance. If the circuit tests normal, replace the audio/video adapter.
  5. Ignition OFF, test for less than 1 ohm between the drain wire circuit terminal 16 and ground.
    • If greater than the specified range, test the drain wire circuit for an open/high resistance. If the circuit tests normal, replace the audio/video adapter.
  6. If all circuits test normal, replace the radio.
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