Lexus ES: EPB System Malfunction (C13AF)
Lexus ES (XZ10) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Hv Model) / EPB System Malfunction (C13AF)
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the parking brake ECU (brake actuator assembly) via CAN communication. If an electric parking brake system malfunction occurs, this DTC is output.
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|---|
| C13AF | EPB System Malfunction | 420 | Electric parking brake system malfunction signal continues for 1 second. | Parking brake ECU (brake actuator assembly) | Does not come on | Brake hold DTC HINT: EPB: Electric Parking Brake System |
PROCEDURE
| 1. | CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Check for electric parking brake system DTCs and record any codes that are output.
Chassis > Electric Parking Brake > Trouble Codes| NEXT | .gif) | INSPECT ELECTRIC PARKING BRAKE SYSTEM |
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Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS NOTICE:
If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history has been read and saved, the operation history information could be lost.
The Operation History fun
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