Toyota RAV4 (XA40) 2013-2018 Service Manual: 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
- Reconfirm dtc
- 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
Caution:
Wear protective gloves. Sharp areas on the seatback
frame, seat cushion frame and reclining adjuster may
injure your hands.
Remove rear seat headrest assembly
Remove rear seat center headrest
assembly
Remove center armrest hinge cover rh
Return the seatback to the upr ...
Fail-safe chart
Fail-safe function
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on e ...
Before driving
Floor mat
Use only floor mats designed specifically for vehicles of the same
model and model year as your vehicle. Fix them securely in place
onto the carpet.
Insert the retaining hooks (clips)
into the floor mat eyelets.
Turn the upper knob of each
retaining hook (clip) to secure
t ...
