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:
Brake system malfunction
Description
This dtc is output when the vsc system has a problem. Check the vsc system
when this dtc is
output.
Inspection procedure
Hint:
This circuit uses can communication. Therefore, if there are any malfunctions
in the communication
circuit, one or more dtcs in the can communi ...
PCS (Pre-Collision System)
The pre-collision system
uses a radar sensor and
front camera to detect
objects in front of
the vehicle. When the system
determines that the
possibility of a frontal collision
with an object is high,
a warning operates to urge
the driver to take evasive
action and the potential
brake pressure is inc ...
Power steering ecu communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system and light
reminder warning system ...
