Toyota RAV4 (XA40) 2013-2018 Service Manual: 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.
Replace power steering ecu
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 pro ...
Motor terminal voltage malfunction
Description
The power steering ecu supplies the current to the power steering motor
through the motor circuit.
Wiring diagram
Inspection procedure
Read value of intelligent tester ( ...
Other materials:
Daytime running light relay
On-vehicle inspection
Inspect day time running light relay
Remove the no. 2 Relay, no. 3 Relay and no. 4 Relay
from the engine room no. 2 Relay block.
Measure the resistance of the relays.
Standard resistance:
No. 2, No. 4
No. 3
If the result is not as specified, replace th ...
Symptom confirmation and diagnostic trouble code
Hint:
The diagnostic system in the rav4 has various
functions.
The first function is the diagnostic trouble code
(dtc) check. A dtc is a code stored in the ecu
memory whenever a malfunction in the signal circuits
to the ecu occurs. In a dtc check, a previous
malfunction's dtc can be ch ...
Back-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
...
