Backup Lamp: Testing and Inspection

^ Check for blown fuses in circuits A2 and F20.

^ Check for continuity across the stop lamp switch when it is closed.

^ For rear lighting on the left side of the vehicle, the Z1 circuit grounding point is in the left rear wheel well.

^ For rear lighting on the right side of the vehicle, the Z1 circuit grounding point is in the right rear wheel well.

^ For the stop lamp switch, the Z1 circuit grounding point is in the left front inner fender shield.

^ Circuit L1 also provides an input for the Powertrain Control Module (PCM) on automatic transaxle-equipped vehicles.

^ Circuit F2O feeds the heated rear-window switch and A/C clutch cycling switch.