Anti-Lock Brake 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

Anti-Lock Brake System -- Diagnosis System



DIAGNOSIS
w/o Multi-information display:
If the skid control ECU detects a malfunction, the ABS and/or brake warning lights come on in accordance with the trouble area, to warn the driver.
w/ Multi-information display:
If the skid control ECU detects a malfunction, the ABS and/or brake warning lights come on and the multi-information display displays warning messages in accordance with the trouble area, to warn the driver.
HINT:
  1. The DTCs can be read by connecting SST (09843-18040) between terminals 13 (TC) and 4 (CG) of the DLC3 and observing the blinking pattern of the ABS warning light, or by using the intelligent tester (RAV4_ACA30 RM000000ONJ026X.html).
  2. This system has a sensor signal check function (RAV4_ACA30 RM000000ONN01NX.html).

CHECK WARNING LIGHT

  1. Release the parking brake lever.

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

  2. When the ignition switch is turned to ON, check that the ABS warning light and brake warning light illuminate and then turn off in approximately 3 seconds.

    HINT:
    If the warning lights do not illuminate, confirm whether the bulbs have burned out, and also check for a CAN communication system DTC, since the skid control ECU and combination meter are connected by the CAN communication line.
    If the warning light remains on, perform the relevant troubleshooting procedures. The relevant troubleshooting procedures are instructed in the sections listed in the table below.
    Section Title
    		See procedure
    ABS Warning Light Remains ON
    		RAV4_ACA30 RM000000OSE01OX.html
    Brake Warning Light Remains ON
    		RAV4_ACA30 RM000001CGN01QX.html