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:

Data list / active tes
Read data list Hint: Using the intelligent tester's data list allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time. Connect the intelligent tester (with can vim) to the dlc3 ...

Inspection
Inspect cylinder head for warpage Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces of the cylinder block and manifolds. Maximum warpage: 0.08 Mm (0.0032 In.) If the warpage is greater than the maximum, replace the cylinder head sub-a ...

Rear occupant classification sensor lh collision detection
Description Dtc b1787 is output when the occupant classification ecu receives a collision detection signal sent by the rear occupant classification sensor lh when an accident occurs. Dtc b1787 is also output when the front seat assembly rh is subjected to a strong impact, even if an actua ...

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