Toyota RAV4 manuals

Toyota RAV4 Service Manual: Ecu malfunction

Toyota RAV4. Ecu malfunction


Description

Inspection procedure

If the power steering ecu detects these dtcs, it will shut off the motor relay circuit (built into the power steering ecu) and stop power assist. However, power assist continues if dtc c1533 is output.


  1. Reconfirm dtc

  1. Check for dtc.

Ok: dtc is not output.



Replace power steering ecu

Motor rotation angle sensor malfunction
Description The motor rotation angle sensor detects the motor rotation angle and sends this information to the power steering ecu. Wiring diagram Inspection procedure Check conne ...

Ig power supply voltage malfunction
Description The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit. Wiring diagram Inspection procedure Read value of inte ...

Other materials:

Short in front passenger side - side squib circuit
Description The front passenger side - side squib circuit consists of the center airbag sensor and the front seat side airbag rh. The circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in the front passenge ...

Dtc check / clear
Check dtc (using intelligent tester) Connect the intelligent tester (with can vim) to the dlc3. Turn the ignition switch on. Read the dtcs by following the directions on the tester screen. Hint: Refer to the intelligent tester operator's manual for further details. Chec ...

Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency. Removal method Vehicles without a smart key system: turn the engine switch to the “lock” position. Vehicles with a smart key system: turn the engine switch off. Open the glove box. Slide ...

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