B2476
Chart 1 Of 2:
Chart 2 Of 2:
Wiring Schematic:
CIRCUIT DESCRIPTION
The body control module (PZM) may command the park lamps through a discrete output to the park lamp relay. Grounding this output also grounds the park lamps input to the instrument cluster.
CONDITIONS FOR SETTING THE DTC
A short to ground is tested for under the following conditions:
^ The exterior lamp power is inactive.
^ The park lamp output is active.
^ The headlamp switch is not active.
^ DTC B1970 is not current.
A short to battery is tested for under the following conditions:
^ The exterior lamp power is active.
^ The parklamp output is active.
^ DTC B1970 is not current.
ACTION TAKEN WHEN THE DTC SETS
The PZM continues to command the state requested until the state is achieved or the request changes.
CONDITIONS FOR CLEARING THE DTC
The feedback state matches the commanded state.