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:
Indications on multi-information
display
Vehicles with 7-inch display
LTA indicator
The illumination condition of the
indicator informs the driver of the
system operation status.
Illuminated in white: LTA system is
operating.
Illuminated in green: Steering
wheel assistance of the steering
assist function or lane centering
function is ...
Disassembly
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Remove no. 1 Rear seat reclining cover lh
Remove the 2 screws.
Using a screwdriver, detach the 5 claws and remove
the cover.
Hint:
Tape the screwdriver tip before ...
LTA (Lane Tracing Assist)
While driving on a road with
clear white (yellow) lane
lines, the LTA system warns
the driver if the vehicle may
deviate from the current
lane or course*, and also
can slightly operate the
steering wheel to help avoid
deviation from the lane or
course*. Also, while the
dynamic radar cruise control
w ...
