ELECTRONIC POWER STEERING SYSTEM TS and CG Terminal Circuit

DESCRIPTION

After a short circuit is made between terminals TS and CG of the DLC3 by turning the ignition switch OFF, the mode changes from normal mode when the ignition switch is turned ON. After the ignition switch is turned ON, there a DTC is output from TC terminal of the DLC3.

WIRING DIAGRAM

A0136VCE02

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT DLC3 TERMINAL VOLTAGE (TS TERMINAL TS-CG)

    A0136XBE25

    1. Turn ignition switch ON.

    2. Measure the voltage.

      Standard Voltage
      Tester Connection Specified Condition
      C16-12 (TS) - C16-4 (CG) 10 to 14 V

    OK

    CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - DLC3) Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

    A0136XBE14

    1. Measure the resistance.

      Standard Resistance
      Tester Connection Specified Condition
      C16-4 (CG) - Body ground Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - DLC3)

    A0138SNE04

    1. Disconnect the power steering ECU connector C23.

    2. Measure the resistance.

      Standard Resistance
      Tester Connection Specified Condition
      C23-11 (TS) - C16-12 (TS) Below 1 Ω
      C23-11 (TS) - Body ground 10 kΩ or higher

    3. Reconnect the connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER STEERING ECU ASSEMBLY