Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Power supply relay failure

Toyota RAV4. Power supply relay failure


Description

If the power steering ecu detects these dtcs, it shuts off the motor relay circuit (built into the power steering ecu) and stops power assist.


Inspection procedure

  1. Reconfirm dtc

  1. Check for dtc.

Ok: dtc is not output.



Replace power steering ecu

Pig power supply voltage malfunction
Description When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist. Wiring diagram Inspection procedure Read value of intelligent ...

Assist map number un-writing
Description The power steering ecu outputs this dtc when it determines that the assist map is not written in the ecu. Hint: The assist map data is written in the power steering ecu to contro ...

Other materials:

Diagnosis system
Description Air conditioning system data and the diagnostic trouble codes (dtcs) can be read through the data link connector 3 (dlc3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform troubleshooting. ...

Test mode procedure
Hint: By switching the skid control ecu from normal mode to test mode, abnormality detection sensitivity is enhanced and troubleshooting can be conducted efficiently. Perform a sensor check in test mode after the speed sensor or sensor rotor has been repaired or replaced. If the igniti ...

Removal
Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the lh side. Remove roof rack support sub-assembly center Remove the 4 roof carrier caps and roof rack support center. Remove roof rack bar front Remove the 4 screws ...

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