Test H: The Stoplamps Are Inoperative
PINPOINT TEST H: THE STOPLAMPS ARE INOPERATIVEH1-H3:
H4-H6:
Normal Operation
Under normal operation, when the brake pedal is applied, the stoplamp switch sends a voltage signal to the smart junction box (SJB) through circuit 511 (LG). Voltage for the switch is provided by the SJB through circuit 10 (LG/RD).
Possible Causes
- An open in circuit 511 (LG) or 10 (LG/RD)
- Stoplamp switch
- Smart junction box (SJB)