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:

Purpose of readiness tests
The on-board diagnostic (obd ii) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities with dtc (diagnostic trouble codes). Since various components need to be monitored during different driving conditions, the obd ii syste ...

Hydraulic test
Measure line pressure Notice: Perform the test at the normal operating atf temperature: 50 to 80°c (122 to 176°f). The line pressure test should always be performed with at least 2 people. One person should observe the condition of the wheels or wheel chocks while the other ...

Warning lights and indicators
The warning lights and indicators on the instrument cluster and center panel inform the driver of the status of the vehicle’s various systems. For the purpose of explanation, the following illustration displays all warning lights and indicators illuminated. Instrument cluster Some indi ...

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