Diagnosis System
- DIAGNOSIS
- If the skid control ECU detects a malfunction, the ABS, BRAKE, VSC warning lights and SLIP indicator light will come on to warn the driver. The table below indicates which lights will come on when there is a malfunction in a particular function.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC CHARTItem / Trouble Area ABS EBD (Brake Assist) TRC VSC ABS Warning Light ◦ ◦ ◦ - - Brake Warning Light - ◦ - - - VSC Warning Light ◦ ◦ ◦ ◦ ◦ SLIP indicator Light ◦ ◦ ◦ ◦ ◦ ◦: Light ON
-: Light OFF- The DTCs are simultaneously stored in the memory. The DTCs can be read by connecting the SST between terminals TC and CG of the DLC3 and observing the blinking of the ABS and VSC warning lights, or by connecting Telecaster.
- This system has a signal check function (See TEST MODE PROCEDURE
).
The DTC can be read by connecting Telecaster and observing the blinking of the ABS and VSC warning lights.
- If the skid control ECU detects a malfunction, the ABS, BRAKE, VSC warning lights and SLIP indicator light will come on to warn the driver. The table below indicates which lights will come on when there is a malfunction in a particular function.
- WARNING LIGHT AND INDICATOR LIGHT CHECK
- Release the parking brake.NOTE: When releasing the parking brake, set chocks to hold the vehicle for safety.
HINT:
When the parking brake is applied or the level of the brake fluid is low, the brake warning light comes on.
- When the ignition switch is turned on (IG), check that the ABS, BRAKE, VSC warning lights and the SLIP indicator light come on for approximately 3 seconds.
HINT:
If the warning light and indicator light check result is not normal, proceed to troubleshooting for the ABS, BRAKE, VSC warning light circuits, and SLIP indicator light circuit.
If the indicator remains on, proceed to troubleshooting for the light circuit below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC TROUBLE CODE CHARTTrouble Area See procedure ABS warning light circuit (Remains on) ABS WARNING LIGHT REMAINS ON ABS warning light circuit (Does not comes on) ABS WARNING LIGHT DOES NOT COME ON VSC warning light circuit (Remains on) VSC WARNING LIGHT REMAINS ON VSC warning light circuit (Does not comes on) VSC WARNING LIGHT DOES NOT COME ON BRAKE warning light (Remains on) BRAKE WARNING LIGHT REMAINS ON BRAKE warning light (Does not come on) BRAKE WARNING LIGHT DOES NOT COME ON SLIP indicator light circuit (Remains on) SLIP INDICATOR LIGHT REMAINS ON SLIP indicator light circuit (Does not come on) SLIP INDICATOR LIGHT DOES NOT COME ON
- Release the parking brake.