Toyota RAV4 (XA40) 2013-2018 Service Manual: Torque sensor
Description
The torque sensor converts the rotation torque input from the steering wheel into electric signals and sends them to the power steering ecu.
Wiring diagram
Inspection procedure
- Check connector connection condition (torque sensor - ecu)
- Check the installation condition of the torque sensor connector.
Ok: torque sensor connector is securely installed to the power steering ecu.
Result 
- Reconfirm dtc
- Reinstall the torque sensor connector.
- Check for dtcs.
Ok:
dtc is not output. 
- Inspect torque sensor
- Turn the ignition switch on.
- Measure the voltage of the ecu.
Standard voltage
Proceed to next circuit inspection shown in problem symptoms table
Diagnostic trouble code chart
Hint:
If any dtcs are displayed during the dtc check, inspect the
circuit listed for these dtcs. For details of each dtc, refer to
the page indicated in the dtc chart.
Hint:
: Warning
...
Short in motor circuit
Description
The power steering ecu supplies current to the power steering motor through
this circuit.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
...
Other materials:
Illumination circuit
Description
The main body ecu receives information regarding the door courtesy switch and
door lock position
switch, and turns on the room light.
Wiring diagram
Inspection procedure
Perform active test by intelligent tester (main body ecu)
Connect the intelligent tester (with can ...
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Disconnect cable from positive battery
terminal
Remove battery clamp
...
Engine coolant temperature circuit range / performance problem
Description
Refer to dtc p0115 (see page es-105).
Monitor description
Engine coolant temperature (ect) sensor cold start monitor
When a cold engine start is performed and then the engine is warmed up, if
the ect sensor value does
not change, it is determined that a malfunction has occ ...
