Test G: One Or More Stoplamps Are Inoperative

PINPOINT TEST G: ONE OR MORE STOPLAMPS ARE INOPERATIVE

G1-G3:

G3-G5:

G6-G8:

G8-G9:

Normal Operation
The stoplamp switch is provided voltage through circuit 10 (LG/RD). When the brake pedal is applied, the stoplamp switch routes voltage to the smart junction box (SJB) through circuit 511 (LG). The SJB then provides voltage to the stoplamps through circuits 1783 (RD/WH), 1374 (TN/LB), 1728 (LB/OG), and 1363 (WH/RD). Ground for the stoplamps is provided through circuit 1205 (BK).

Possible Causes
- Fuse
- Circuit 10 (LG/RD) open
- Circuit 511 (LG) open
- Circuit 1205 (BK) open
- Circuit 1363 (WH/RD) open or short to ground
- Circuit 1374 (TN/LB) open or short to ground
- Circuit 1728 (LB/OG) open or short to ground
- Circuit 1783 (RD/WH) open or short to ground
- Stoplamp switch
- SJB