Test D: DTC C1985 - Back Up Aid Disable Switch Stuck Low
PINPOINT TEST D: DTC C1985 - BACK UP AID DISABLE SWITCH STUCK LOWNormal Operation
The parking aid system is disabled when the operator selects PARK AID OFF through the message center. The parking aid system remains disabled until either the ignition key is cycled from OFF to RUN, or PARK AID ON is selected through the message center. A reference voltage is sent from the instrument cluster (IC) to the parking aid module (PAM) on circuit 1435 (DG/VT) indicating that a PARK AID OFF request has been made. The PAM generates a reference voltage to the IC on circuit 1436 (VT/OG) indicating that the request has been received, and the system has been disabled.
- DTC C1985 (Back Up Aid Disable Switch Stuck Low) - is a continuous and on-demand DTC that sets if the PAM detects a short to ground on the disable request circuit 1435 (DG/VT).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Parking aid system inline harness
- PAM
