Power steering

Pig power supply voltage malfunction

6steps
~36min
2/5difficulty
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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)
  2. Connect the intelligent tester (with can vim) to the dlc3.
  3. Turn the ignition switch on.
  4. 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

Test yourself

A quick Toyota RAV4 quiz: every answer comes with an explanation and a link to the manual page.