Test H: DTC C1920 and B2373 LED No. 1 Circuit Failure

PINPOINT TEST H: DTC C1920 AND B2373 LED NO. 1 CIRCUIT FAILURE

H1-H4:

H4-H6:

Normal Operation
The parking aid system is enabled when the vehicle ignition is in RUN and the transmission is in REVERSE. The system can be disabled by the parking aid disable switch. The parking aid module sends a signal to the LED over circuit 1436 (VT/OG) when the switch is pressed. The switch is grounded through circuit 57 (BK).

Possible Causes
- circuit 1436 (VT/OG) open, short to ground, or short to voltage
- parking aid disable switch
- parking aid module