Test Q: All Parking, Rear and License Lamps Are Inoperative
PINPOINT TEST Q: ALL PARKING, REAR AND LICENSE LAMPS ARE INOPERATIVEQ1:
Q2-Q3:
Normal Operation
Under normal operation, when park lamps are selected the headlamp switch sends a ground signal to the smart junction box (SJB) through circuit 1401 (BK/LG). Ground for the headlamp switch is provided by circuit 1205 (BK).
Possible Causes
- An open in circuit 1401 (BK/LG) or 1205 (BK)
- Headlamp switch
- Smart junction box (SJB)