Toyota RAV4 manuals

Toyota RAV4 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:

Seat heater switch
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 switch base (see page ip-18) Remove seat he ...

Terminals of ecu
Check power steering ecu Hint: Measurements cannot be performed on the c connector side of the power steering ecu. Measure the voltage and resistance of the connectors. If the result is not as specified, the ecu may have a malfunction. ...

List screen operation
When a list screen is displayed, use the appropriate buttons to scroll through the list. How to scroll   Select to scroll to the next or previous page. Appears to the right of titles, the complete titles are too long for the display. Select this button to scroll the title. Turn th ...

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