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:

Reassembly
Install piston Using a small screwdriver, install a new snap ring onto one end of the piston pin hole. Hint: Make sure that the end gap of the snap ring is not aligned with the pin hole cutout portion of the piston. Gradually heat the piston up to 80 to 90°c (176 to 194°f ...

Diagnosis system
Description When troubleshooting on-board diagnostic (obd ii) vehicles, the vehicle must be connected to the obd ii scan tool (complying with sae j1987). Various data output from the vehicle's ecm can then be read. Obd ii regulations require that the vehicle's onboard computer ...

Contact/call history settings
The contact can be transferred from a bluetooth® phone to the system. The contact also can be added, edited and deleted. The call history can be deleted and contact and favorites can be changed. Display the “phone/message settings” screen. Select “contact/call history settings” ...

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