Grand Caravan FWD L4-2.4L VIN B (1997)
Audible Warning Device: Description and Operation
Engine Temperature Critical Chime
CIRCUIT OPERATION
The engine coolant temperature critical chime is used to alert the operator that the coolant temperature has risen above a pre-determined level.
The Body Control Module (BCM) monitors coolant temperature from information received across the CCD bus from the PCM.
