Vehicle Stability Control System Diagnosis System

Brake. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Brake Control. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
  1. DIAGNOSIS

  1. CHECK WARNING LIGHT AND INDICATOR LIGHT

Vehicle Stability Control System -- Diagnosis System



DIAGNOSIS
If the skid control ECU detects a malfunction, the ABS and brake warning lights and the slip, VSC OFF, TRC OFF, downhill assist control and AUTO LSD indicator lights come on in accordance with the trouble area to warn the driver.

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Brake Control.Anti-Lock Brake System.Vehicle Stability Control System  Diagnosis System

HINT:
  1. The DTCs can be read by connecting SST (09843-18040) between the TC and CG terminals of the DLC3 and observing the blinking pattern of the ABS and slip indicator lights, or by using the intelligent tester (RAV4_ACA30 RM000000ONJ02VX.html).
  2. This system has a sensor signal check function (RAV4_ACA30 RM0000022CZ00EX.html).

CHECK WARNING LIGHT AND INDICATOR LIGHT
  1. Release the parking brake lever.

    NOTICE:
    Before releasing the parking brake lever, set chocks to hold the vehicle for safety.
    HINT:
    When the parking brake is applied or the brake fluid level is low, the brake warning light comes on.


  2. When the ignition switch is turned to ON, check that the ABS and brake warning lights and the slip, VSC OFF, TRC OFF, downhill assist control and AUTO LSD indicator lights come on and go off in about 3 seconds.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Brake Control.Anti-Lock Brake System.Vehicle Stability Control System  Diagnosis System

    HINT:
    If the warning lights do not illuminate, check for combination meter and CAN communication system DTCs, since the skid control ECU and combination meter are connected by the CAN communication line.
    If the warning light remains on, perform relevant troubleshooting procedures. The relevant troubleshooting procedures are in the sections listed in the table below.
    Section Title
    See Procedure
    ABS Warning Light Remains ON
    RAV4_ACA30 RM000000OSE02MX.html
    VSC OFF Indicator Light Remains ON
    RAV4_ACA30 RM000001K29019X.html
    Brake Warning Light Remains ON
    RAV4_ACA30 RM000001CGN030X.html
    Slip Indicator Light Remains ON
    RAV4_ACA30 RM000001K2D00YX.html
    Downhill Assist Control Indicator Light Remains ON
    RAV4_ACA30 RM000001S0900HX.html
    AUTO LSD Indicator Light Remains ON
    RAV4_ACA30 RM0000022GQ00EX.html
    TRC OFF Indicator (Light) Remains ON
    RAV4_ACA30 RM000003QXV00IX.html