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:

Wireless charger (if equipped)
A portable device can be charged by just placing Qi standard wireless charge compatible portable devices according to the Wireless Power Consortium, such as smartphones and mobile batteries, etc., on the charge area. This function cannot be used with portable devices that are larger than the chargi ...

Front passenger side satellite sensor bus initialization incomplete
Description When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the srs should be activated. Dtc b1648/82 is recorded when a malfunction is detected in the rear airbag sensor rh circuit. Wiring diagram Inspection pr ...

Basic audio operations
Basic audio operations and functions common to each mode are explained in this section. Operating the audio system Press this knob to turn the audio system on and off, and turn it to adjust the volume. Press this button to eject a disc Insert a disc into the disc slot Press to pa ...

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