Test G: DTC C1920 - Led #1 Circuit Failure and B2373 - Led #1 Circuit Short To Battery
PINPOINT TEST G: DTC C1920 - LED #1 CIRCUIT FAILURE AND B2373 - LED #1 CIRCUIT SHORT TO BATTERYG1-G3:
G3-G5:
Normal Operation
The parking aid system is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). The system can be disabled by the parking aid switch. The parking aid module sends a signal to the LED over circuit 2339 (BN/LB) when the switch is pressed. The switch is grounded through circuit 1205 (BK).
DTC B2373 - is a continuous and on-demand DTC that sets if the parking aid module senses a short to voltage or an open on the parking aid indicator circuit 2339 (BN/LB).
DTC C1920 - is a continuous and on-demand DTC that sets if the parking aid module senses a short to ground or an open on the parking aid indicator circuit 2339 (BN/LB).
Possible Causes
- Circuit 2339 (BN/LB) open, short to ground or voltage
- Parking aid switch
- Parking aid module