Toyota Camry owners & service manuals

Toyota Camry (XV70): Left Electric Parking Brake Actuator Control Circuit Short to Battery (C060B12)

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Parking Brake / Electric Parking Brake System / Left Electric Parking Brake Actuator Control Circuit Short to Battery (C060B12)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

C060B12

Left Electric Parking Brake Actuator Control Circuit Short to Battery

  • Diagnosis Condition:

    Electric parking brake not operating

  • Malfunction Status:

    The ECU power supply is normal but there is a malfunction in the electric parking brake actuator LH internal circuit (short to +B).

  • Detection Time:

    Approximately 0.015 to 0.195 seconds (depending on each malfunction)

  • Parking brake actuator assembly LH
  • No. 2 parking brake wire assembly
  • Wire harness or connector
  • Skid control ECU (brake actuator assembly)

DTC stored

An electric parking brake system malfunction is displayed on the multi-information display.

WIRING DIAGRAM

Click here

PROCEDURE

1.

CHECK FOR SHORT TO +B

(a) Turn the ignition switch off.

(b) Make sure the No. 2 parking brake wire assembly is securely installed.

(c) Disconnect the v1 parking brake actuator assembly LH connector.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

v1-2 (LE+) - v1-1 (LE-)

Electric parking brake not operating

Below 1 V

*a

Front view of No. 2 Parking Brake Wire Assembly

(to Parking Brake Actuator Assembly LH)

OK

REPLACE PARKING BRAKE ACTUATOR ASSEMBLY LH

NG

2.

CHECK FOR SHORT TO +B

(a) Disconnect the vR2 No. 2 parking brake wire assembly connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

vR2-2 - vR2-1

Electric parking brake not operating

Below 1 V

*a

Front view of wire harness connector

(to No. 2 Parking Brake Wire Assembly)

OK

REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY

NG

3.

CHECK FOR SHORT TO +B

(a) Disconnect the vR2 No. 2 parking brake wire assembly connector.

(b) Disconnect the A34 skid control ECU (brake actuator assembly) connector.

(c) 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

OK

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    READ NEXT:

     Left Electric Parking Brake Actuator Control Circuit Open (C060B13)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C060B13 Left Electric Parking Brake Actuator Control Circuit Open Diagnos

     Left Electric Parking Brake Actuator Signal Stuck In Range (C060E2A)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C060E2A Left Electric Parking Brake Actuator Signal Stuck In Range Diagno

     Right Electric Parking Brake Actuator Control (C061000,C061011)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C061000 Right Electric Parking Brake Actuator Control Diagnosis Condition

    SEE MORE:

     Battery

    Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. Terminals Hold-down clamp ■Before recharging When recharging, the battery produces hydrogen gas which is flammab

     Check For Intermittent Problems

    CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using the Data List function of the Techstream. (a) Turn the ignition switch off. (b) Connect the Techs

    © 2023-2024 Copyright www.tocamry.com