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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Terminals Of Ecu
TERMINALS OF ECU HYBRID VEHICLE CONTROL ECU Terminal No. (Symbol) Wiring Color Terminal Description Input/Output Condition Specified Condition A32-1 (+B2) - G59-6 (E1) W - W-B Power source Input Power switch on (IG) 11 to 14 V A32-3 (IG2) - G59-6 (E1) B - W-B Powe
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