Toyota RAV4 Service Manual: 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 control assisting power.
The assist map has 3 types. Select an assist map according to the vehicle
country information that is
recorded in the ecu.
Inspection procedure
- Perform assist map writing
- Turn the ignition switch on.
- Connect the intelligent tester (with can vim) to the dlc3.
Hint:
At this time, check that the p/s warning light is illuminated.
- Select signal check, and change to test mode.
- Wait for 3 seconds.
- Check p/s warning light
- Check the p/s warning light.
Result
Hint:
If the p/s warning light blinks at 0.25 Second intervals, the assist map adjustment has completed normally.
- Check dtc
- Check for dtc.
Result
Hint:
If dtc c1581/26 is output, turn the ignition switch off. Enter test mode again. If the dtc is output 3 times in a row, replace the power steering ecu.
Replace power steering ecu
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 ...
Control module communication bus off
Description
The power steering ecu receives signals from the ecm and the skid control ecu
via the can
communication system.
Hint:
When 2 or more dtcs starting with [u] are output simul ...
Other materials:
Ambient light
General information
Depending on the equipment version, lighting
can be adjusted for some lights in the car's interior.
Switching on/off
The ambient light is switched on when the vehicle
is unlocked, and switched off when the vehicle
is locked.
If the ambient light was deactivated via iDrive, it
wi ...
Bus ic communication malfunction
Description
The air conditioning harness connects the air conditioning amplifier and the
servos. The air conditioning
amplifier supplies power and sends operation instructions to each servo through
the air conditioning
harness. Each servo sends damper position information to the air condi ...
Bluetooth® phone
settings
You can adjust the hands-free system to your desired settings.
“Phone/message settings” screen
To display the screen shown below, press the “setup” button, and
select “phone” on the “setup” screen.
Set the phone connection
Setting the sound
Contact/call history settings
...
