Toyota RAV4 manuals

Toyota RAV4 Service Manual: Eps warning light circuit

Description

If the power steering ecu detects a malfunction, the p/s warning light comes on. At this time, the power steering ecu stores a dtc in its memory.

Wiring diagram

Toyota RAV4. Eps warning light circuit


Inspection procedure

  1. Check for dtc

  1. Using the intelligent tester (with can vim), check for dtcs and confirm that there are no problems in the can communication system.

Ok: can dtcs are not output.


  1. Read value of intelligent tester (ig power supply)

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch on and press the intelligent tester main switch on.
  3. Select the item "ig supply" in the data list and read the value displayed on the intelligent tester.

Main body ecu




  1. Inspect fuse (ecu-ig1)

  1. Remove the ecu-ig1 fuse from the instrument panel junction block.
  2. Measure the resistance of the fuse.

Ok: below 1




  1. Check wire harness (battery - power steering ecu and body ground)

Toyota RAV4. Check wire harness (battery - power steering ecu and body ground)


  1. Disconnect the a1 and e18 power steering ecu connector.
  2. Measure the voltage of the wire harness side connectors.

Standard voltage



  1. Perform active test by intelligent tester

  1. Connect the intelligent tester (with can vim) to the dlc3.
  2. Turn the ignition switch on and press the intelligent tester main switch on.
  3. Operate the intelligent tester according to the steps on the display and select the active test.

Combination meter


Ok: indicator comes on.



Replace power steering ecu

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 ...

Steering gear
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Other materials:

Short in front passenger side - side squib circuit
Description The front passenger side - side squib circuit consists of the center airbag sensor and the front seat side airbag rh. The circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in the front passenge ...

Listening to an ipod
Connecting an ipod enables you to enjoy music from the vehicle speakers. Select “ipod” on the audio source selection screen. When the ipod connected to the system includes ipod video, the system can only output the sound by selecting the browse screen. Connecting an ipod Audio control ...

Precaution
Handling precautions for srs airbag system Handling precautions for srs airbag system (see page rs-1). Handling precautions for steering column When handling the steering column assembly. Avoid any impact to the steering column assembly, especially to the motor or ...

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