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Home >> Chevrolet >> 2013 >> Volt >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Object Detection System - Park Assist System) >> Diagnostic Information and Procedures >> Parking Assist System Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2012 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle in Service Mode, verify the park assist system is enabled through the parking assist switch or audio system personalization menu.
    • If the park assist system is manually disabled, enable the system. Refer to the vehicle owners manual for instructions on enabling the system.
  2. Observe the scan tool Park Assist Switch parameter while pressing and releasing the parking assist switch. The parameter should change between Active and Inactive.
    • If the parameter does not change between the specified values, refer to Parking Assist Switch Circuit Malfunction.
  3. Command the Park Assist Switch LED ON and OFF with the scan tool. The parking assist switch indicator should turn ON and OFF when changing between the commanded states.
    • If the indicator does not turn ON and OFF, refer to Parking Assist Switch Indicator Circuit Malfunction.
    4. NOTE:

    After completing the next step the vehicle might need to be driven in the forward direction at speed greater than 40 km/h (25 MPH).

  4. Transmission in Reverse, verify one audible beep sounds and the scan tool Park Assist System Status parameter is Enable.
    • If not the specified values, refer to Diagnostic Aids and the scan tool Park Assist Disable History parameters to determine the cause of the inhibit.
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