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:

Engine compartment
Engine coolant reservoir Engine oil filler cap Battery Brake fluid reservoir Fuse box Radiator Condenser Electric cooling fans Engine oil level dipstick Washer fluid tank Engine oil With the engine at operating temperature and turned off, check the oil level on the dips ...

On-vehicle inspection
Inspect refrigerant pressure with manifold gauge set This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditions are established. Test conditions: Temperature at the air inlet is 30 to 35°c (86 to 95°f). Engine is ...

Seat belt pretensioners (front seats)
The pretensioners help the seat belts to quickly restrain the occupants by retracting the seat belts when the vehicle is subjected to certain types of severe frontal or side collision or a vehicle rollover. The pretensioners do not activate in the event of a minor frontal impact, a minor ...

© 2011-2026 Copyright www.trav4.net