HYBRID CONTROL SYSTEM, Diagnostic DTC:P0617-142

DTC Code DTC Name
P0617-142 Starter Relay Circuit High

DESCRIPTION

DTC No. INF Code DTC Detection Condition Trouble Area
P0617 142 An ST signal from the hybrid vehicle control ECU is present when the power switch is off.

  • Wire harness or connector

  • Hybrid vehicle control ECU

  • Main body ECU

WIRING DIAGRAM

A01GZIQE02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)


    1. A01GW3PE01

      Check the connections of the hybrid vehicle control ECU connectors.

      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  2. CHECK CONNECTOR CONNECTION CONDITION (MAIN BODY ECU CONNECTOR)


    1. A01GXVWE01

      Check the connections of the main body ECU connectors.

      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  3. CHECK HARNESS AND CONNECTOR (ST2 TERMINAL VOLTAGE)


    1. Turn the power switch off.

    2. A01GY7QE09

      Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      A78-28 (ST2) - Body ground Power switch off Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - MAIN BODY ECU) Click here

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

  4. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - MAIN BODY ECU)


    1. A01GXVWE01

      Disconnect connector A68 from the driver side junction block (main body ECU).

    2. A01GY7QE09

      Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      A78-28 (ST2) - Body ground Power switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE DRIVER SIDE JUNCTION BLOCK