Circuit/System Verification

WARNING: This page is about a different car, the 2013 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify the park assist system is enabled through the parking assist switch.
- If the park assist system is not enabled
  Refer to the vehicle owners manual for instructions on enabling the system.
- If the park assist system is enabled
Verify the scan tool Park Assist Switch parameter changes between Active and Inactive while pressing and releasing the parking assist switch.
- If the parameter does not change between Active and Inactive
  Refer to Circuit/System Testing - Parking Assist Switch Circuit Malfunction .
- If the parameter changes between Active and Inactive
Verify the parking assist switch indicator turns On and Off while commanding the Park Assist Switch LED On and Off with a scan tool.
- If the indicator does not turn ON and OFF
  Refer to Circuit/System Testing - Parking Assist Switch Indicator Circuit Malfunction .
- If the indicator does turn ON and OFF
Transmission in R.
Verify the Engine Control Module (ECM) scan tool Reverse Position Switch parameter is Active.
- If the parameter is not Active
  Refer to Backup Lamps Malfunction .
- If the parameter is Active
Transmission in R.
Verify the scan tool Park Assist System Status parameter displays Enable.
- If the parameter is not Enabled
  Refer to Diagnostic Aids to determine the cause of the inhibit.
- If the parameter is Enabled
All OK.