Toyota Camry (XV70): Brake Pressure Control Solenoid "A" Control Circuit Short to Battery (C13C012,...,C13C949)
DESCRIPTION
The ABS solenoid relay and master cylinder cut solenoid valves are built into the brake actuator assembly.
Depending on the operating conditions, the master cylinder cut solenoid valves regulate the brake fluid pressure generated by the pump motor.
When this DTC is stored, the fail-safe function operates and the ABS solenoid relay is turned off to prevent the master cylinder cut solenoid valves from operating.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C13C012 | Brake Pressure Control Solenoid "A" Control Circuit Short to Battery |
A short to +B in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C014 | Brake Pressure Control Solenoid "A" Control Circuit Short to Ground or Open |
An open or short in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C01C | Brake Pressure Control Solenoid "A" Control Circuit Voltage Out of Range |
| Skid control ECU (brake actuator assembly) |
|
C13C01E | Brake Pressure Control Solenoid "A" Control Circuit Resistance Out of Range |
An abnormal resistance in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C049 | Brake Pressure Control Solenoid "A" Control Internal Electronic Failure |
An internal malfunction in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C912 | Brake Pressure Control Solenoid "B" Control Circuit Short to Battery |
A short to +B in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C914 | Brake Pressure Control Solenoid "B" Control Circuit Short to Ground or Open |
An open or short in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C91C | Brake Pressure Control Solenoid "B" Control Circuit Voltage Out of Range |
| Skid control ECU (brake actuator assembly) |
|
C13C91E | Brake Pressure Control Solenoid "B" Control Circuit Resistance Out of Range |
An abnormal resistance in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C13C949 | Brake Pressure Control Solenoid "B" Control Internal Electronic Failure |
An internal malfunction in the master cylinder cut solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | An open in the master cylinder cut solenoid circuit is detected during the self test. |
○ | - |
|
A short in the master cylinder cut solenoid circuit is detected during the self test. |
- | ○ | |
|
Detection Time | - |
- | |
|
Number of Trips | 1 trip |
1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
DTC Detection Conditions: C13C01C|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | A current leak in the master cylinder cut solenoid circuit is detected during the self test. |
○ | - |
|
The master cylinder cut solenoid valve operation request signal and master cylinder cut solenoid valve operation feedback signal do not match for a certain period of time. |
- | ○ | |
|
Detection Time | - |
- | |
|
Number of Trips | 1 trip |
1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
DTC Detection Conditions: C13C914|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | An open in the master cylinder cut solenoid circuit is detected during the self test. |
○ | - |
|
A short in the master cylinder cut solenoid circuit is detected during the self test. |
- | ○ | |
|
Detection Time | - |
- | |
|
Number of Trips | 1 trip |
1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
DTC Detection Conditions: C13C91C|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | A current leak in the master cylinder cut solenoid circuit is detected during the self test. |
○ | - |
|
The master cylinder cut solenoid valve operation request signal and master cylinder cut solenoid valve operation feedback signal do not match for a certain period of time. |
- | ○ | |
|
Detection Time | - |
- | |
|
Number of Trips | 1 trip |
1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
Click here .gif)
PROCEDURE
| 1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the skid control ECU (brake actuator assembly).
Click here
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Components
COMPONENTS ILLUSTRATION
*1 NO. 1 OIL COOLER OUTLET TUBE SUB-ASSEMBLY
*2 NO. 1 TRANSMISSION OIL FILLER TUBE
*3 OIL COOLER UNION SUB-ASSEMBLY
*4 OVERFLOW PLUG
*5 PARK/NEUTRAL POSITION SWITCH ASSEMBLY
*6 REFILL PLUG
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