DTC C143A-7E: ABS Solenoid Control Actuator Stuck On; DTC C143A-7F: ABS Solenoid Control Actuator Stuck Off [11/2021 - ]: Description
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The ABS solenoid relay is built into the No. 2 skid control ECU in the brake actuator assembly.
The ABS solenoid relay supplies power to the holding solenoid and reduction solenoid.
The solenoid relay is turned on 1.5 seconds after the ignition switch is turned to ON, and is turned off if an open or short in the solenoid is detected by self-diagnosis performed when the vehicle is starting off.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Note |
|---|---|---|---|---|---|---|
| C143A-7E | ABS Solenoid Control Actuator Stuck On | When voltage at terminal +BS is 9.5 V or higher, solenoid relay is OFF, relay contact is ON continuously for 4.5 seconds or more. | No. 2 skid control ECU (brake actuator assembly) | Comes on | Brake/EPB |
|
| C143A-7F | ABS Solenoid Control Actuator Stuck Off | When voltage at terminal +BS is 9.5 V or higher and solenoid relay is ON, relay contact is OFF continuously for 0.22 seconds or more. |
|
Comes on | Brake/EPB |
|