Lexus ES: EPB High Temperature (C13AA)
DESCRIPTION
If the electric parking brake is used continuously, system operation is stopped to prevent the parking brake actuator assembly from overheating.
This DTC is stored when system operation is stopped to prevent the parking brake actuator assembly from overheating and is not a malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13AA | EPB High Temperature | Both of following conditions are met:
| Overheat due to continuous use of system | DTC stored | A warning is displayed on the multi-information display indicating electric parking brake system operation is stopped due to high temperatures. |
| Vehicle Condition | |||
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | Electric parking brake is operating | ○ | ○ |
| Malfunction Status | Lock and release operations are performed without 2 seconds interval 10 times | ○ | - |
| Lock and release operations are performed without 2 seconds interval 5 times, and target current is not achieved during lock control | - | ○ | |
| Detection Time | - | - | |
| Number of Trips | 1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
PROCEDURE
| 1. | ELECTRIC PARKING BRAKE OVERHEAT |
(a) With the overheat warning displayed on the multi-information display, wait for approximately 1 minute.
(b) Check that the overheat warning has disappeared.
HINT:
- Check the display after turning the power switch off and on (IG).
- After the warning has disappeared and the electric parking brake system returns to normal, clear the DTCs.
| NEXT | .gif) | END |
READ NEXT:
System information not received (C13AE)
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 on
EPB Switch Malfunction (C13B4)
DESCRIPTION When the electric parking brake switch is pushed, a lock request signal is sent from the parking brake ECU (brake actuator assembly) to the parking brake actuator assembly. When the electr
Deceleration Sensor (C1245)
DESCRIPTION The parking brake ECU (brake actuator assembly) receives vehicle tilt angle information from the deceleration sensor (airbag ECU assembly) via CAN communication. DTC No. Detection Ite
SEE MORE:
Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH Click here 3. REMOVE NO. 1 ENGINE UNDER COVER Click here 4. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY Click here 5. REMOVE OIL PRESSURE AND TEMPERATURE SENSOR (a)
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
