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:

Terminals of ecu
Check tire pressure warning ecu Disconnect the e56 ecu connector. Measure the voltage and resistance of the wire harness side connector. If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the e56 ecu connector. Measure the ...

Canceling and resuming the speed control
Pressing the cancel switch cancels the speed control. The speed control is also canceled when the brake pedal is depressed. (When the vehicle has been stopped by system control, depressing the brake pedal does not cancel the setting.) Pressing the "+RES" switch resumes the cruise control a ...

Terminals of ecm
Check ecm Measure the voltage of the ecm connector. Hint: Each ecm terminal's standard voltage is shown in the table below. In the table, first follow the information under "condition". Look under "symbols (terminal no.)" For the terminals to be inspected. ...

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