Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Diagnosis system

  1. Diagnosis

If the skid control ecu detects a malfunction, the abs, vsc and brake warning lights and the slip, downhill assist control and auto lsd indicator lights come on in accordance with the trouble area to warn the driver.

The table below indicates which lights come on when there are malfunctions in particular functions.

Toyota RAV4. Diagnosis system


Light on


Light on (blinking)


Light off


Hint:

  1. 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.

  1. When the ignition switch is turned on, check that the abs, vsc and brake warning lights and the slip, downhill assist control and auto lsd indicator lights come on and go off in about 3 seconds.

Toyota RAV4. Check warning light and indicator light


Hint:

If the warning lights do not illuminate, confirm whether the bulbs have burned out, and also check for 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.


Terminals of ecu
Skid control ecu Hint: *1: W/ 16-inch disc *2: W/ downhill assist control *3: For 2wd (w/ auto lsd) Check skid control ecu Disconnect the a19 ecu connector. Measure the vo ...

Dtc check / clear
Check dtc (when using intelligent tester) Connect the intelligent tester (with can vim) to the dlc3. Turn the ignition switch on. Turn the tester on. Read the dtcs by following the pr ...

Other materials:

Check for intermittent problems
Hint: Inspect the vehicle's ecm using check mode. Intermittent problems are easier to detect with the intelligent tester when the ecm is in check mode. In check mode, the ecm uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detec ...

Precaution
Inspection procedure for vehicle involved in accident Perform the zero point calibration and sensitivity check if any of the following conditions apply. The occupant classification ecu is replaced. Accessories (seat cover etc.) Are installed. The front passenger seat is remove ...

Steering angle sensor zero point malfunction
Description The skid control ecu learns the steering sensor zero point every time the ignition switch is turned on and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. The ecu also stores the previous zero point. If front wheel alignment or the steering wh ...

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