Toyota Corolla Cross: 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 |
|
|
DTC stored |
An electric parking brake system malfunction is displayed on the multi-information display. |
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
- The electric parking brake may still operate up to 20 seconds after the ignition switch is turned off. Before disconnecting connectors or fuses, turn the ignition switch off and wait 20 seconds or more.
- After replacing the skid control ECU (brake actuator assembly), perform
acceleration sensor zero point calibration and store system information
memorization.
Click here
- When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light blinks (red) when the ignition switch is first turned ON.
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 n1 parking brake actuator assembly LH connector.
|
(d) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| OK | .gif)
|
REPLACE PARKING BRAKE ACTUATOR ASSEMBLY LH |
|
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|
2. |
CHECK FOR SHORT TO +B |
(a) Disconnect the nO3 No. 2 parking brake wire assembly connector.
|
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| OK |
|
REPLACE NO. 2 PARKING BRAKE WIRE ASSEMBLY |
|
|
3. |
CHECK FOR SHORT TO +B |
(a) Disconnect the nO3 No. 2 parking brake wire assembly connector.
(b) Disconnect the A151 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 |
|---|---|---|
|
nO3-1 or A151-13 (MRL+) - Body ground |
Always |
Below 1 V |
|
nO3-2 or A151-12 (MRL-) - Body ground |
Always |
Below 1 V |
| OK |
|
REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
