Normal Operation
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
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 (PAM) sends a signal to the LED over circuit 2339 (BN/LB) when the switch is pressed. The switch is grounded through circuit 57 (BK).
- DTC B2373 (LED Circuit Short to Battery) - is a continuous and on-demand DTC that sets if the PAM senses a short to voltage or an open on the parking aid indicator circuit 2339 (BN/LB).
- DTC C1920 (LED Circuit Failure) - is a continuous and on-demand DTC that sets if the PAM senses a short to ground or an open on the parking aid indicator circuit 2339 (BN/LB).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Parking aid switch
- PAM