C1271

CIRCUIT DESCRIPTION
The valve solenoid circuits are supplied with battery power when the ignition is ON. The EBCM/EBTCM controls the valve functions by grounding the circuit when necessary.

CONDITIONS FOR SETTING THE DTC
The EBCM/EBTCM senses a discrepancy such as an open, short to ground, or short to voltage in the circuit.

ACTION TAKEN WHEN THE DTC SETS
^ A malfunction DTC is stored.
^ The ABS/TCS is disabled.
^ The ABS indicator is turned ON.
^ The TRACTION OFF indicator is turned ON.

CONDITIONS FOR CLEARING THE DTC
^ The condition for the DTC is no longer present and you used the scan tool Clear DTC function.
^ The EBCM/EBTCM does not detect the DTC in 50 drive cycles.

DIAGNOSTIC AIDS
Make sure the integrity of the connection between the EBCM/EBTCM and the BPMV is secure, tight, and free from corrosion.

TEST DESCRIPTION
The numbers below refer to step numbers on the diagnostic table.
3. This step checks the resistance value of the solenoid.
4. This step checks for a short to ground in the BPMV.
7. This step checks for an internal short to voltage.