Normal Operation
WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
The Smart Junction Box (SJB) monitors the status of the wipers through circuit CRW01 (WH). When the headlamp control switch is in the AUTOLAMP position and the wipers are on, the wiper motor module will pull the voltage reference signal low. Within 10 seconds, the SJB will activate the headlamps.
- DTC B2008 Wipers On Signal Circuit Short to Ground - Short to ground on wiper motor on input circuit.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Wiper motor
- SJB