Toyota RAV4 manuals

Toyota RAV4 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:

Optimal use of the audio system
On the “sound settings” screen, sound quality (treble/mid/ bass), volume balance can be adjusted. How to adjust the sound settings and sound quality Select “-” or “+” to adjust the treble, mid or bass to a level between -5 and 5. Select “front” or “rear” to adjust the fr ...

Terminals of ecu (2006/01- )
Check air conditioning amplifier Measure the voltage and resistance of the connectors. Hint: Check from the rear of the connector while it is connected to the air conditioning amplifier. Hint: *: For 2gr-fe Using an oscilloscope, check waveform 1. Can communi ...

Can bus line
Description When any dtc for the can communication system is output, first measure the resistance between the terminals of the dlc3 to specify the trouble area, and check that there is not a short in the can main wire, between the main wire, to +b, or to gnd. Wiring diagram Inspecti ...

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