Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Assist map number un-writing

Toyota RAV4. 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

  1. Perform assist map writing

  1. Turn the ignition switch on.
  2. Connect the intelligent tester (with can vim) to the dlc3.

Hint:

At this time, check that the p/s warning light is illuminated.

  1. Select signal check, and change to test mode.
  1. Wait for 3 seconds.


  1. Check p/s warning light

  1. 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.



  1. Check dtc

  1. 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:

Display contents
Following information is displayed on the multi-information display. Content display area (left) Content display area (center) Content display area (right) Driving support system information display area When driving information support system is displayed on the content display area, the sy ...

Side doors
The vehicle can be locked and unlocked using the entry function, wireless remote control, door lock switches, key or inside lock buttons. Unlocking and locking the doors from the outside â–  Using the entry function (vehicles with smart key system) Carry the electronic key to enable this function. ...

Panoramic moon roof
Use the overhead switches to operate the panoramic moon roof and electronic sunshade. Operating the electronic sunshade and panoramic moon roof â–  Opening and closing the electronic sunshade Opens the electronic sunshade* Slide and hold the switch backward. The electronic sunshade will fully ...

© 2011-2025 Copyright www.trav4.net