Test O: One Or More Parking, Rear or License Plate Lamps Is Inoperative

PINPOINT TEST O: ONE OR MORE PARKING, REAR OR LICENSE PLATE LAMPS IS INOPERATIVE

O1-O4:

O4-O5:

Normal Operation
When the headlamp switch is placed in the PARKING LAMPS ON position, the smart junction box (SJB) provides a ground for the parking lamp relay coil (integral to the SJB). When the parking lamp relay is energized, voltage is routed through circuit CLS30 (VT/WH) to the rear and front parking lamps. Ground is provided to the rear parking, liftgate and license plate lamps through circuit GD149 (BK/GY), circuit GD150 (BK/WH) or circuit GD151 (BK/GN). Ground is provided to the front parking and side marker lamps through circuit GD120 (BK/GN) or circuit GD123 (BK/GY).

Possible Causes
- Fuse
- Circuit CLS30 (VT/WH) open
- Circuit GD120 (BK/GN) open
- Circuit GD123 (BK/GY) open
- Circuit GD149 (BK/GY) open
- Circuit GD150 (BK/WH) open
- Circuit GD151 (BK/GN) open
- SJB