Toyota RAV4 (XA40) 2013-2018 Service Manual: Ecu malfunction
Description
Inspection procedure
If the power steering ecu detects these dtcs, it will shut off the motor
relay circuit (built into the power
steering ecu) and stop power assist. However, power assist continues if dtc
c1533 is output.
- Reconfirm dtc
- Check for dtc.
Ok: dtc is not output.
Replace power steering ecu
Motor rotation angle sensor malfunction
Description
The motor rotation angle sensor detects the motor rotation angle and sends
this information to the power
steering ecu.
Wiring diagram
Inspection procedure
Check conne ...
Ig power supply voltage malfunction
Description
The power steering ecu distinguishes the ignition switch status as on or off
through the ig power
source circuit.
Wiring diagram
Inspection procedure
Read value of inte ...
Other materials:
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.
Remove fan and generator v belt
Remove the belt (see page em-6).
...
Engine
On-vehicle inspection
Inspect engine coolant
Inspect engine oil
Inspect battery
Inspect air cleaner filter element subassembly
Remove the air cleaner cap.
Remove the air filter element.
Visually check that the air filter is not excessively
damaged or oily.
If necessary, rep ...
Srs warning light does not come on
Description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light comes on for approximately 6
seconds after the ignition
switch is turned from off to on, and then goes off automatically.
If there is a malfunction in the srs, the srs warni ...
