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:

Dtc check / clear
Check dtc (using intelligent tester) Connect the intelligent tester (with can vim) to the dlc3. Turn the ignition switch on. Read the dtcs by following the directions on the tester screen. Hint: Refer to the intelligent tester operator's manual for further details. Chec ...

Windshield wiper de-icer
This feature is used to prevent ice from building up on the windshield and wiper blades. On/off The windshield wiper de-icer will automatically turn off after approximately 15 minutes. Pressing the switch again also turns the de-icer off. Operating conditions Vehicles without a smart ...

How to proceed with troubleshooting
Notice: Dtcs for the can communication system are as follows: u0073, u0100, u0105, u0121, u0122, u0123, u0124, u0126, u0129, c1280, c1296, c1297, and b1499. Refer to the troubleshooting procedures of each system if dtcs regarding the can communication system are not output. Turn th ...

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