Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Pig power supply voltage malfunction

Toyota RAV4. 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

Toyota RAV4. Pig power supply voltage malfunction


Inspection procedure

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

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

Power steering ecu




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

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


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

Standard voltage




Replace power steering ecu

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 Inspection procedure Read value of inte ...

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 ...

Other materials:

Data list
Hint: By reading the data list displayed on an intelligent tester, values can be checked, including those of the switches, sensors, and actuators, without removing any parts. Reading the data list as the first step of troubleshooting is one method of shortening diagnostic time. Notice: In th ...

Data list / active test
Read data list Hint: Using the intelligent tester's data list allows switch, sensor, actuator, and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time. Notice: In the table below, the values listed under "no ...

Outside vehicle
General maintenance Performing the following maintenance checks on the vehicle is the owner's responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In most cases, special tools are not requ ...

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