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:
Parts location
System diagram
System description
Cruise control system
This system is controlled by the ecm, and is activated by
the throttle position sensor and motor. The ecm controls
the following functions: on-off, set / coast,
resume / accel, cancel, vehicle speed operation,
motor ...
Compressor circuit
Description
When the a/c switch is turned on, the magnetic clutch on signal is sent from
the air conditioning
amplifier. Then the mg clt relay turns on to operate the magnetic clutch.
Wiring diagram
Inspection procedure
Inspection procedure
Perform active test by intelligent tester (a ...
Fail-safe chart
Fail-safe function
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on e ...
