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:

Disassembly
Remove no. 1 Side defroster nozzle duct Remove the 3 screws and duct. Remove no. 2 Side defroster nozzle duct Remove the 3 screws and duct. Remove no. 1 Heater to register duct Remove the screw and duct. Remove no. 2 Heater to register duct ...

Removal
Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the lh side. Remove front pillar cover sub-assembly upper lh Using a moulding remover, detach the 3 clips and remove the pillar cover. ...

On-vehicle inspection
Notice: Perform the maf meter inspection according to the procedures below. Only replace the maf meter when both the long ft#1 value and maf value in the data list (with the engine stopped) are not within the normal operating range. Inspect mass air flow meter Perform c ...

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