DTC C060B-12: Left Electric Parking Brake Actuator Control Circuit Short to Battery [10/2020 - ]: Procedure
- CHECK FOR SHORT TO +B
- Turn the ignition switch off.
- Make sure the No. 2 parking brake wire assembly is securely installed.
- Disconnect the v1 parking brake actuator assembly LH connector.
- Measure the voltage according to the value(s) in the table below.
*a Front view of No. 2 Parking Brake Wire Assembly
(to Parking Brake Actuator Assembly LH)Standard Voltage
Tester Connection Condition Specified Condition v1-2 (LE+) - v1-1 (LE-) Electric parking brake not operating Below 1 V Result
Proceed to OK NG
Result:
OK
REPLACE PARKING BRAKE ACTUATOR ASSEMBLY LH. Refer to REMOVAL [06/2017 - ]
Result:
NG
See step 2
- CHECK FOR SHORT TO +B
- Disconnect the vR2 No. 2 parking brake wire assembly connector.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector
(to No. 2 Parking Brake Wire Assembly)Standard Voltage
Tester Connection Condition Specified Condition vR2-2 - vR2-1 Electric parking brake not operating Below 1 V Result
Proceed to OK NG
Result:
OK
REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY
Result:
NG
See step 3
- CHECK FOR SHORT TO +B
- Disconnect the vR2 No. 2 parking brake wire assembly connector.
- Disconnect the A34 skid control ECU (brake actuator assembly) connector.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector *b (to Skid Control ECU (Brake Actuator Assembly)) *c (to No. 2 Parking Brake Wire Assembly) - - Standard Voltage
Tester Connection Condition Specified Condition vR2-2 or A34-13 (MRL+) - Body ground Always Below 1 V vR2-1 or A34-12 (MRL-) - Body ground Always Below 1 V Result
Proceed to OK NG
Result:
OK
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to REMOVAL [10/2020 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR