Test F: The Wipers Do Not Park At the Correct Position
PINPOINT TEST F: THE WIPERS DO NOT PARK AT THE CORRECT POSITIONNormal Operation
With the ignition key in RUN or ACC, the windshield wiper motor receives voltage at all times from the wiper PARK relay through circuit SBB09 (RD). When the wipers are commanded OFF, the smart junction box (SJB) deactivates the RUN/PARK relay. Voltage is supplied from the park switch (integral to the wiper motor) to the RUN/PARK relay through circuit CRW09 (BN/BU) to operate the wipers until they are parked. When the wipers are parked, the park switch (integral to the wiper motor) supplies ground to the RUN/PARK relay and the wipers will stop. The SJB monitors circuit CRW09 (BN/BU) for voltage when wipers are not parked and ground when the wipers are parked.
- DTC B1447 Wiper Park Sense Circuit Open - Switch input open.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Windshield wiper motor
- PARK relay
- RUN/PARK relay
- SJB module