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:

Installing child restraint systems
General information Pay attention to the specifications and the operating and safety information of the child restraint system manufacturer when selecting, installing, and using child restraint systems. Safety information Warning The protective effect of child restraint systems and their fastening ...

Precaution
Check that the battery cables are connected to the correct terminals. Disconnect the battery cables if a quick charge is given to the battery. Do not perform tests with a high voltage insulation resistance tester. Never disconnect the battery while the engine is running. Check tha ...

Parking brake assembly
Components Disassembly Hint: Use the same procedures for the lh side and rh side. The procedures listed below are for the lh side. Remove rear wheel Disconnect rear disc brake cylinder mounting lh (see page br-55) Remove parking brake shoe adjusting hole plug Remove t ...

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