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:
System description
Description
The eps (electronic power steering) system generates
torque through the operation of the motor and the
reduction gear installed on the column shaft in order to
assist steering effort.
The power steering ecu determines directions and the
amount of assisting power in accordanc ...
Installation
Caution:
Be sure to read the precautionary notices concerning the
srs airbag system before servicing it (see page rs-1).
Install roof side rail bracket lh
Install the bracket with the 2 bolts.
Torque: 14 n*m (143 kgf*cm, 10 ft.*Lbf)
Install curtain shield airbag assembly lh ...
Terminals of ecu
Check occupant classification ecu
Measure the voltage of the connector.
...
