Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 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:

Yaw rate sensor communication stop mode
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the branch wire. After the ignition switch is turned off, check that the key reminder warning system and light reminder warning system ...

Brake master cylinder
Components On-vehicle inspection Check brake fluid level warning switch Remove the reservoir filler cap and strainer. Disconnect the brake fluid level warning switch connector. Measure the resistance of the switch. Hint: There is a float inside the reservoir. Its positio ...

Inspection
Inspect camshaft timing oil control valve assembly Measure the resistance of the oil control valve. Standard resistance If the result is not as specified, replace the oil control valve assembly. Check the operation. Apply battery voltage across the terminals and chec ...

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