Toyota RAV4 manuals

Toyota RAV4 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:

Check for short circuit
If the wire harness is ground shorted (fig. 5), Locate the section by conducting a resistance check with the body ground (below). Check the resistance with the body ground. Disconnect connectors a and c, and measure the resistance Standard resistance (fig. 6) Hint: Measure ...

Blower motor circuit
Description When the heater control (blower switch) is set to position 1 or higher, the contact of the htr relay is closed, current flows to the blower motor, and the blower motor operates. The blower motor speed can be changed by exchanging the ground and the blower resistor circuit with the ...

Driver side satellite sensor bus initialization incomplete
Description The side airbag sensor lh consists of part including the diagnostic circuit and the lateral deceleration sensor. When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the srs should be activated. Dtc b1643/81 is ...

В© 2011-2024 Copyright www.trav4.net