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
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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:

Disassembly
Remove radio setting condenser Remove the bolt and condenser. Remove oil pressure switch Using a 24 mm deep socket wrench, remove the sensor. Remove engine coolant temperature sensor Using sst, remove the sensor and gasket. Sst 09817-33190 Remove c ...

Light control switch circuit
Description This circuit detects the state of the headlight dimmer switch. Wiring diagram Inspection procedure Read value of intelligent tester (main body ecu) Connect the intelligent tester to the dlc3. Turn the ignition switch on and press the intelligent tester main switch on ...

Inspection
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