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:
Check mode procedure
Hint:
Intelligent tester only:
compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
Notice:
All the stored dtcs and freeze frame data are erased if:
The ecm is changed from normal mo ...
Reassembly
Install sliding roof drive cable
Using a screwdriver, slide the sliding roof drive
cable sub-assemblies in the direction indicated by
the arrow in the illustration to install them.
Hint:
Tape the screwdriver tip before use.
Engage the 2 claws and install the sliding roof ...
Initialization
Zero point calibration
Notice:
Make sure that the front passenger seat is not
occupied before performing the operation.
Hint:
Perform the zero point calibration and sensitivity check if
any of the following conditions apply.
The occupant classification ecu is replaced.
Accessories ( ...
