LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1289 >> Circuit/System Testing >> With Third Row Display

With Third Row Display

WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. With a scan tool clear the DTC. Ignition OFF, Disconnect the third row video display. Ignition ON, verify the DTC resets.
    • If the DTC does not reset, replace the third row video display.
  2. Ignition OFF, disconnect the harness connector of the rear video display. Ignition ON, with a DMM verify there is 100 to 300 Hz on the video display brightness control signal circuit.
    • If 100 to 300 Hz is present and the video display brightness control signal circuit tests normal, replace the front rear video display.
    • If 200 Hz is not present on the video display brightness control signal circuit test for an open, a short to voltage, or a short to ground. If the video display brightness control signal circuit tests normal, replace the radio.
scientia non olet · About LEMON Manuals