Diesel Data: Automotive Repair

Test E: The Demand Lamps Are Inoperative

PINPOINT TEST E: THE DEMAND LAMPS ARE INOPERATIVE

Normal Operation
The smart junction box (SJB) provides voltage to the demand lamps through circuit 53 (BK/LB). Ground for the demand lamps is provided through circuit 1205 (BK).

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Interior lamp


E1-E2:






E2 Continued: