Test B: An Individual Courtesy Lamp Is Inoperative

PINPOINT TEST B: AN INDIVIDUAL COURTESY LAMP IS INOPERATIVE

B1:

B1-B2:

Normal Operation
The smart junction box (SJB) provides voltage to the courtesy lamps on circuit VLN33 (GY/VT). The courtesy lamps are grounded through circuit GD133 (BK). The cargo lamp is also on the courtesy lamp circuit. Circuit VLN33 (GY/VT) provides voltage to the cargo lamp, and the lamp is grounded through circuit GD126 (BK/WH).

Possible Causes
- Circuitry
- Interior lamp