Toyota RAV4 Service Manual: Motor rotation angle sensor malfunction

Toyota RAV4 Service Manual / Power steering / Electronic power steering system / Diagnostic trouble code chart / 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

Toyota RAV4. Motor rotation angle sensor malfunction

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 ...
Components
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Transmission wire
Components Removal Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove no. 1 Engine under cover Drain automati ...