Diesel Data: Automotive Repair

Test H: An Individual Demand Lamp Is Inoperative

PINPOINT TEST H: AN INDIVIDUAL DEMAND LAMP IS INOPERATIVE


H1:






H1 Continued:






Normal Operation
Under normal operation, the smart junction box (SJB) provides voltage to the individual demand lamps through circuit 705 (LG/OG). Ground for the lamps is provided through circuit 1205 (BK).

Possible Causes
- An open in circuit 705 (LG/OG)
- Lamp