Test B

PINPOINT TEST B: AN INDIVIDUAL INTERIOR LAMP IS INOPERATIVE

Test B1-B2:

Normal Operation
The instrument cluster energizes circuit 53 (BK/LB) providing power to the courtesy lamps. The courtesy lamps are grounded through circuit 1205 (BK). The courtesy lamps remain lit until the instrument cluster removes voltage from circuit 53 (BK/LB).

Possible Causes
- instrument cluster
- bulb
- circuit 53 (BK/LB)
- circuit 1205 (BK)