Toyota RAV4 manuals

Toyota RAV4 Service Manual: Ig power supply voltage malfunction

Toyota RAV4. Ig power supply voltage malfunction


Description

The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit.


Wiring diagram

Toyota RAV4. Ig power supply voltage malfunction


Inspection procedure

  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.
  3. Select the item "ig supply" in the data list and read the value displayed on the intelligent tester.

Toyota RAV4. Read value of intelligent tester (ig power supply)



  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 harness and connector (battery - power steering ecu)

Toyota RAV4. Check harness and connector (battery - power steering ecu)


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

Standard voltage




Replace power steering ecu

Ecu malfunction
Description Inspection procedure If the power steering ecu detects these dtcs, it will shut off the motor relay circuit (built into the power steering ecu) and stop power assist. However, pow ...

Pig power supply voltage malfunction
Description When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist. Wiring diagram Inspection procedure Read value of intelligent ...

Other materials:

Installation
Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the lh side. Install front pillar cover sub-assembly upper lh Attach the 3 clips to install the pillar cover. ...

Differential case
Components Disassembly Remove front differential ring gear Place the matchmarks on the ring gear and differential case. Remove the 14 bolts. Using a plastic-faced hammer, tap on the ring gear to remove it from the case. Remove front differential case ...

Preparations to use wireless communication
The following can be performed using bluetooth® wireless communication: A portable audio player can be operated and listened to via audio system Hands-free phone calls can be made via a cellular phone In order to use wireless communication, register and connect a bluetooth® device by p ...

© 2011-2020 Copyright www.trav4.net