Circuit/System Verification
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, verify that all manual power seat functions operate when being controlled by the seat adjuster switches.
- If all power seat functions are inoperative, refer to Lumbar Support Inoperative (With Memory A45) , Lumbar Support Inoperative (Without Memory A45) .
- Observe the scan tool Driver Position Module lumbar switch parameters for Seat 1 and Seat 2 while pressing the appropriate lumbar switch. The reading should change between Inactive and Active.
- If the reading does not change between the specified values, refer to the Lumbar Switch Circuit Test in Circuit/System Testing .
- If all lumbar switch inputs to the MSM function normal, refer to the Lumbar Motor Control Circuit Test in Circuit/System Testing .