Toyota Camry (XV70): Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12BB12,...,C12C649)
DESCRIPTION
The ABS solenoid relay and solenoid valves are built into the brake actuator assembly.
The front solenoid valve RH controls the brake fluid pressure of the front wheel cylinder RH of the vehicle.
When this DTC is stored, the fail-safe function operates and the ABS solenoid relay is turned off to prevent the solenoid valves from operating.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
C12BB12 | Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery |
A short to +B in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12BB14 | Right Front Wheel ABS Hold Solenoid Control Circuit Short to Ground or Open |
An open or short in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12BB1C | Right Front Wheel ABS Hold Solenoid Control Circuit Voltage Out of Range |
| Skid control ECU (brake actuator assembly) |
|
C12BB1E | Right Front Wheel ABS Hold Solenoid Control Circuit Resistance Out of Range |
An abnormal resistance in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12BB49 | Right Front Wheel ABS Hold Solenoid Control Internal Electronic Failure |
An internal malfunction in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12C612 | Right Front Wheel ABS Release Solenoid Control Circuit Short to Battery |
A short to +B in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12C614 | Right Front Wheel ABS Release Solenoid Control Circuit Short to Ground or Open |
An open or short in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12C61C | Right Front Wheel ABS Release Solenoid Control Circuit Voltage Out of Range |
| Skid control ECU (brake actuator assembly) |
|
C12C61E | Right Front Wheel ABS Release Solenoid Control Circuit Resistance Out of Range |
An abnormal resistance in the solenoid circuit is detected during the self test. |
Skid control ECU (brake actuator assembly) |
|
C12C649 | Right Front Wheel ABS Release Solenoid Control Internal Electronic Failure |
An internal malfunction in the 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 solenoid circuit is detected during the self test. |
○ | - |
|
A short in the 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: C12BB1C|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | A current leak in the solenoid circuit is detected during the self test. |
○ | - |
|
The solenoid operation request signal and solenoid 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: C12C614|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | An open in the solenoid circuit is detected during the self test. |
○ | - |
|
A short in the 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: C12C61C|
Vehicle Condition | |||
|---|---|---|---|
|
Pattern 1 | Pattern 2 | ||
|
Diagnosis Condition | - |
- | - |
|
Malfunction Status | A current leak in the solenoid circuit is detected during the self test. |
○ | - |
|
The solenoid operation request signal and solenoid 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
| NEXT | .gif) | END |
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