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:

If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Toyota dealer or commercial towing service, using a wheel-lift type truck or flatbed truck. Use a safety chain system for all towing, and abide by all state/provincial and local laws. Situations when it is necessary to contact d ...

Only rear door lh lock / unlock functions do not operate
Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Inspect rear door with motor lock assembly lh Apply the battery voltage to the door lock motor and check the operation of th ...

Inspection
Inspect starter assembly Notice: These tests must be performed within 3 to 5 seconds to avoid burning out the coil. Perform the pull-in test. Disconnect the lead wire from terminal c. Connect the battery to the magnetic switch as shown in the illustration. Check that the clutch ...

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