Diagnosis System
WARNING: This page is about a different car, the 2009 Toyota Sequoia. 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 VSC OFF and SLIP indicator lights come on and the VSC OFF indicator light blinks to warn the driver.
The table below indicates which lights come on when there is a malfunction in a particular function.
- 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 VSC OFF and SLIP indicator lights come on and the VSC OFF indicator light blinks to warn the driver.
- 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 ON, 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 or does not come on, proceed to troubleshooting for the light circuit below.
ABS WARNING LIGHT SPECIFICATIONTrouble Area See Procedure ABS warning light circuit (Remains on) ABS WARNING LIGHT REMAINS ON ABS warning light circuit (Does not come on) ABS WARNING LIGHT DOES NOT COME ON BRAKE warning light circuit (Remains on) BRAKE WARNING LIGHT REMAINS ON BRAKE warning light circuit (Does not come on) BRAKE WARNING LIGHT DOES NOT COME ON VSC OFF indicator light circuit (Remains on) VSC OFF INDICATOR LIGHT REMAINS ON VSC OFF indicator light circuit (Does not come on) VSC OFF INDICATOR 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 AUTO LSD indicator light circuit (Remains on) AUTO LSD INDICATOR LIGHT REMAINS ON AUTO LSD indicator light circuit (Does not come on) AUTO LSD INDICATOR LIGHT DOES NOT COME ON
- Release the parking brake lever.