Diagnosis System
WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
- DIAGNOSIS
- If the skid control ECU detects a malfunction, the ABS and BRAKE warning lights and the SLIP indicator light will come on and the VSC OFF indicator light will blink 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
WARNING LIGHTS REFERENCEItem/Trouble Area ABS EBD BA VSC TRAC A-TRAC (4WD) ABS Warning Light ◦ ◦ ◦ - - - BRAKE Warning Light - ◦ - - - - VSC OFF Indicator Light ◦ ◦ ◦ ◦ ◦ ◦ SLIP Indicator Light ◦ ◦ ◦ ◦ ◦ ◦ AUTO LSD Indicator Light - - - - - - HINT: - ◦: Light ON
- -: Light OFF
- The DTCs are simultaneously stored in the memory. The DTCs can be read by connecting SST between terminals TC and CG of the DLC3 and observing the blinking of the ABS warning light and VSC OFF indicator light, or by connecting the Techstream.
- This system has a signal check function (see TEST MODE PROCEDURE ).
- If the skid control ECU detects a malfunction, the ABS and BRAKE warning lights and the SLIP indicator light will come on and the VSC OFF indicator light will blink 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 BULB CHECK
- Release the parking brake lever.CAUTION: When releasing the parking brake, set the chocks to hold the vehicle for safety.
HINT:
When the parking brake is applied or the level of brake fluid is low, the BRAKE warning light comes on.
- When the ignition switch is turned to the ON position, check that the ABS and BRAKE warning lights, and the VSC OFF, SLIP and AUTO LSD indicator lights 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 and BRAKE warning light circuits, and the VSC OFF, SLIP, and AUTO LSD indicator light circuits. If the indicator remains on, proceed to troubleshooting for the light circuit below.
TROUBLE AREA PROCEDURE TABLETrouble Area Reference ABS warning light circuit ABS WARNING LIGHT REMAINS ON BRAKE warning light circuit BRAKE WARNING LIGHT REMAINS ON VSC OFF indicator light circuit VSC OFF INDICATOR LIGHT REMAINS ON SLIP indicator light circuit SLIP INDICATOR LIGHT REMAINS ON AUTO LSD indicator light circuit AUTO LSD INDICATOR LIGHT REMAINS ON
- Release the parking brake lever.