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.
When the ignition key is placed in the RUN or ACCESSORY positions, the accessory delay relay provides voltage to the central junction box (CJB) through circuit 964 (DB/LG). The CJB supplies voltage to the power window switches through circuit 170 (RD/LB). The LH front window control switch is grounded through circuit 57 (BK).
This pinpoint test is intended to diagnose the following:
- Circuit breaker
- Accessory delay relay
- Wiring, terminals or connectors
- LH front window control switch