Test D: One Low Beam Headlamp Is Inoperative

PINPOINT TEST D: ONE LOW BEAM HEADLAMP IS INOPERATIVE

D1-D3:

Normal Operation
When the headlamp switch is placed in the HEADLAMPS ON position, the smart junction box (SJB) routes voltage to the LH and RH low beams through circuits CBP04 (VT) and CBP03 (GY), respectively. Ground is provided to the LH and RH headlamps through circuits GD121 (BK/YE) and GD123 (BK/GY), respectively.

Possible Causes
- Fuse
- Circuit CBP03 (GY) open
- Circuit CBP04 (VT) open
- Circuit GD121 (BK/YE) open
- Circuit GD123 (BK/GY) open
- SJB