DTC 87

CIRCUIT DIAGRAM








INSPECTION PROCEDURE

CIRCUIT DESCRIPTION:
This DTC is used to verity the EBCM has continuity to the "BRAKE" warning light in case the Electronic Brake Control Module (EBCM) must turn it on. This will only occur if an Antilock Brake System (ABS) malfunction is detected that may degrade base brake operation.
Because ABS is not the only device controlling the "BRAKE" warning light(parking brake switch and brake fluid level switch may also turn it on), a short to ground in this circuit cannot be detected.

FAILURE CONDITION:
DTC 87 can be set after vehicle speed exceeds 8 km/h (5 mph). If the " BRAKE" warning light circuit voltage is out of specification (indicating an open circuit), a malfunction exists.