Yaris Power Steering Wiring Diagram

Combination Meter Power Steering ECU

Combination Meter Power Steering ECU

Toyota Vitz Ecu Wiring Diagram

Y C120680E04

INSPECTION PROCEDURE

INSPECT CAN COMMUNICATION SYSTEM

(a) Using the intelligent tester, check for DTCs and confirm that there are no problems in the CAN communication system. OK:

DTCs are not output.

GO TO CAN COMMUNICATION SYSTEM

READ VALUE OF DATA LIST (IG SUPPLY)

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch on and turn the tester on.

(c) Select the item [IG SUPPLY] in the DATA LIST and read value displayed on the intelligent tester.

Standard voltage: 11 to 14 V

INSPECT POWER SOURCE CIRCUIT (IG) (See page PS-45)

CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - BODY GROUND)

Sw20 Power Steering Diagram

(a) Disconnect the connectors from the power steering ECU.

(b) Measure the voltage and the resistance. Standard

Tester Connection

Condition

Specified Condition

IG (D31-6) - Body ground

Ignition switch on

11 to 14 V

PGND (A19-2) - Body ground

Always

Below 1 Q

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE POWER STEERING ECU

NOTICE:

After replacing the power steering ECU, perform the torque sensor zero point calibration.

NEXT

POWER STEERING - ELECTRONIC POWER STEERING SYSTEM

PS-57

5

CHECK PS WARNING LIGHT (COMBINATION METER)

(a) Check that the P/S warning light on the combination meter does not come on. OK:

The P/S warning light does not come on. JNG>

REPLACE COMBINATION METER

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Responses

  • MERIMAC
    Does yaris belta have power steering?
    9 months ago

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