LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 368 (Seat System) >> Diagnostic Information and Procedures >> Heated/Cooled Seat Always On >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the appropriate seat cushion or seat back ventilation heat and cool module.
  2. Connect a test lamp between the control circuit terminal 7 and ground.
    3. IMPORTANT: The ignition must be cycled OFF then ON between each test in order to reset the CCS module.
  3. Ignition ON, press the HEAT switch. The test lamp should illuminate or slowly illuminate for approximately 5 seconds.
    • If the test lamp does not illuminate, test the control circuit for an open/high resistance. If the circuit tests normal, replace the CCS module.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the CCS module.
  4. If all circuits test normal, replace the CCS module.
scientia non olet · About LEMON Manuals