Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 connector connection condition
- Check the installation condition of the motor rotation angle sensor connector.
Ok: motor rotation angle sensor connector is securely connected to the power steering ecu.
Result 
- reconfirm dtc
- Reinstall motor rotation angle sensor connector.
- Check for dtc.
Ok: dtc is not output.
Result 
- Read value of intelligent tester (motor rotation angle sensor)
- Connect the intelligent tester (with can vim) to the dlc3.
- Turn the ignition switch on and press the intelligent tester main switch on.
- Select the items "motor rotate" in the data list
and read the value displayed on the intelligent tester.
Ok: during steering operation, motor rotation angle value changes from 0 to 360м/b>
Replace power steering ecu
Motor terminal voltage malfunction
Description
The power steering ecu supplies the current to the power steering motor
through the motor circuit.
Wiring diagram
Inspection procedure
Read value of intelligent tester ( ...
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, pow ...
Other materials:
Unmatched encryption code
Description
This dtc is output when a key with an incomplete key code is inserted into
the ignition key cylinder.
Inspection procedure
Reregister key
Clear the dtc (see page ei-18).
Reregister the key code with the transponder key ecu
(see page ei-5)
Check that the engine ...
Abs warning light remains on
Description
If any of the following conditions are detected, the abs warning light
remains on:
The ecu connectors are disconnected from the skid control ecu.
There is a malfunction in the skid control ecu internal circuit.
There is an open or short in the wire harness between the combinat ...
Cruise control system cruise control main switch
Components
Removal
Caution:
Be sure to read the precautionary notices concerning the
srs airbag system before servicing it (see page rs-1).
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) batt ...
