B2641

CIRCUIT DESCRIPTION
The headlamp switch in the AUTO position provides a ground for the twilight sentinel delay signal circuit. The instrument panel module (IPM) determines the switch position based on the status of the headlamp switch.

CONDITIONS FOR RUNNING THE DTC
The IPM is powered.

CONDITIONS FOR SETTING THE DTC
The twilight sentinel delay signal voltage is less than 0.02 volts.

ACTION TAKEN WHEN THE DTC SETS
Auto status set to ON.

CONDITIONS FOR CLEARING THE DTC
The IPM does not detect a voltage that is less than the predetermined value.

TEST

Steps 1-9: