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Test Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 7. This step tests the state of one of the two lumbar relay control circuits of the inoperative lumbar adjuster relay. If the test lamp in this step illuminates, the circuit is shorted to voltage or the lumbar switch is stuck in the active position.
  2. 9. This step tests the state of the second of the two lumbar relay control circuits of the inoperative lumbar adjuster relay. If the test lamp in this step illuminates, the circuit is shorted to voltage or the lumbar switch is stuck in the active position.
Fig 1: Lumbar Support Inoperative Symptom Diagnostic Procedure Chart (1 Of 2)
G01504341Courtesy of GENERAL MOTORS CORP.
Fig 2: Lumbar Support Inoperative Symptom Diagnostic Procedure Chart (2 Of 2)
G01504342Courtesy of GENERAL MOTORS CORP.