Toyota RAV4 manuals

Toyota RAV4 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:

Installation
Install rear no. 1 Seat assembly lh (w/o rear no. 2 Seat) Fully tilt the seatback forward. Place the seat in the cabin. Notice: Be careful not to damage the vehicle body. Connection procedures of seat to lock cable when reusing seat: Using a screwdriver, detach the cla ...

How to proceed with troubleshooting
Hint: Use these procedures to troubleshoot the supplemental restraint system. *: Use the intelligent tester. Vehicle brought to workshop Inspect battery voltage* Standard voltage: 11 to 14 v If the voltage is below 11 v, recharge or replace the battery before proceeding. ...

Front shock absorber with coil spring
Components Removal Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the lh side. Remove front wheel Disconnect front speed sensor lh Disconnect front stabilizer link assembly lh Remove front shock absorber with coil spring lh ...

В© 2011-2021 Copyright www.trav4.net