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:

Catalyst monitor (active air-fuel ratio control type)
Preconditions The monitor will not run unless: The mil is off. Drive pattern Connect the intelligent tester to the dlc3. Turn the ignition switch on. Turn the tester on. Clear dtcs (if set) (see page es-35). Start the engine and warm it up. Drive the vehicle at be ...

Using the interior lights
Interior lights list Interior lights Interior/personal lights Engine switch light (if equipped) Cup holder light (if equipped) Interior lights Front Off Door position The interior lights come on when a door is opened. They turn off when the doors are closed. On ...

Ambient temperature sensor circuit
Description The ambient temperature sensor is installed in the front part of the condenser to detect the ambient temperature and control the air conditioner. The sensor is connected to the combination meter and detects fluctuations in the ambient temperature. This data is used for contr ...

В© 2011-2026 Copyright www.trav4.net