Test F: DTC C1748 - Switch Input Circuit Short To Gnd

PINPOINT TEST F: DTC C1748 - SWITCH INPUT CIRCUIT SHORT TO GND

F1-F2:

F3:

Normal Operation
The parking aid system is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE. When the parking aid switch is pressed the parking aid module is momentarily grounded through circuit 1435 (DG/VT) and disables the parking aid system.

Possible Causes
- Circuit 1435 (DG/VT) short to ground
- Parking aid switch
- Parking aid module