Lexus NX: Brake System Malfunction (C13A9)
DESCRIPTION
The parking brake ECU assembly receives the wheel speed information of each wheel from the skid control ECU (brake booster with master cylinder assembly) via CAN communication.
This DTC is stored when a malfunction occurs in the skid control ECU (brake booster with master cylinder assembly).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13A9 | Brake System Malfunction | Both of following conditions are met:
|
| Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the parking brake ECU assembly, operate the electric parking brake switch (integration control and panel assembly), as the parking brake indicator light (red) blinks when the power switch is first turned on (IG).
PROCEDURE
| 1. | CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for DTC.
Click here .gif)
| DTC is output | .gif) | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
|
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| 2. | CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Turn the power switch off.
(c) Check for DTC.
Click here
| DTC is output | | REPLACE PARKING BRAKE ECU ASSEMBLY |
| DTC is not output | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
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DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13AE System Information not Received Both of following conditions are met:
Power switch is
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Precaution
PRECAUTION HANDLING PRECAUTIONS (a) For safety, when driving the vehicle, the driver should not operate a portable device that is charging. (b) Anyone using an implanted pacemaker, biventricular pacing pulse generator, cardiac defibrillator or other medical electrical device should consult with thei
Installation
INSTALLATION PROCEDURE 1. INSTALL INTEGRATION CONTROL AND PANEL ASSEMBLY (a) Install the integration control and panel assembly to the rear upper console panel sub-assembly with the 2 screws. HINT: The locations labeled A in the illustration are tightened together with the shift position indicato
