Test B: An Individual Courtesy Lamp Is Inoperative

PINPOINT TEST B: AN INDIVIDUAL COURTESY LAMP IS INOPERATIVE

B1-B2:

B2 Continued:

Normal Operation
The smart junction box (SJB) provides voltage to the courtesy lamps on circuit CLN26 (BU). The courtesy lamps are grounded through circuit GD139 (BK/YE). The luggage compartment lamp is also on the courtesy lamp circuit. Circuit CLN26 (BU) provides voltage to the luggage compartment lamp, and the lamp is grounded through circuit GD139 (BK/YE).

Possible Causes
- Circuit CLN26 (BU) open
- Circuit GD139 (BK/YE) open
- Interior lamp