Power steering
Pig power supply voltage malfunction
In this manual: Power steering
6steps
~36min
2/5difficulty
Done 0 of 6

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

- Check wire harness (battery - power steering ecu)

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

Replace power steering ecu
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