Lexus NX: EPB System Malfunction (C13AF)
Lexus NX Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System / EPB System Malfunction (C13AF)
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the parking brake ECU assembly via CAN communication. If an electric parking brake system malfunction occurs, this code is output.
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|---|
| C13AF | EPB System Malfunction | 420 | Electric parking brake system malfunction signal continues for 1.5 seconds. | Parking brake ECU assembly | EPB: Electric parking brake system |
PROCEDURE
| 1. | CHECK FOR DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Check for electric parking brake system DTCs and record any codes that are output.
Click here .gif)
| NEXT | .gif) | INSPECT ELECTRIC PARKING BRAKE SYSTEM |
READ NEXT:
Steering Angle Sensor Initialization Incomplete (C1439,C1445)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) acquires the steering sensor zero point every time the power switch is turned on (IG) and the vehicle is driven at 35 km/
Steering Angle Sensor Unusual Bank Angle Detected (C1440)
DESCRIPTION If the skid control ECU (brake booster with master cylinder assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake booster with master cyl
Invalid Data Received from Deceleration Sensor (C1442,C1443)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via the CAN communication system. The ai
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame data. HINT:
DTCs which are stored in the EC
Components
COMPONENTS ILLUSTRATION *1 FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY LH *2 FRONT STABILIZER BAR *3 FRONT STABILIZER BAR BUSHING LH *4 FRONT STABILIZER BAR BUSHING RH *5 FRONT STABILIZER LINK ASSEMBLY LH *6 FRONT STABILIZER LINK ASSEMBLY RH *7 FRONT SUSPENSION
© 2016-2026 Copyright www.lexunx.com
