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:

Check mode procedure
Check mode (signal check) Connect the intelligent tester (with can vim) to the dlc3. Turn the ignition switch on. Select the "signal check", and continue checking with the intelligent tester. Notice: Select the "signal check" from the "dtc check&quo ...

Wireless remote control
The keys are equipped with the following wireless remote control: Vehicles without smart key system Locks all the doors Sounds the alarm Unlocks all the doors Opens the side windows* *: This setting must be customized at your Toyota dealer. Vehicles with smart key system Locks all the do ...

Terminals of ecu
Check combination meter assembly Disconnect the e19 meter connector. Measure the voltage and resistance of the wire harness side connector. If the result is not as specified, there may be a malfunction on the wire harness side. Check heater control panel (for automat ...

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