HYBRID CONTROL SYSTEM, Diagnostic DTC:P0617-142

DTC Code DTC Name
P0617-142 Starter Relay Circuit High

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

P0617-142

Starter Relay Circuit High

An ST signal from the hybrid vehicle control ECU is on when the power switch is off.

(2 trip detection logic)

  • Wire harness or connector

  • Hybrid vehicle control ECU

  • Certification ECU (smart key ECU assembly)

Does not come on

Master Warning Light:

Comes on

WIRING DIAGRAM

A165972E22

CAUTION / NOTICE / HINT

Tip:

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.

  1. Turn the power switch off and wait for 5 seconds or more.

Note:

Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.

PROCEDURE

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

    Click here

    Result

    Proceed to

    OK

    NG
    NG

    CONNECT SECURELY

    OK

  2. CHECK CONNECTOR CONNECTION CONDITION (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

    1. Check the connector connection condition of the certification ECU (smart key ECU assembly).

      Tip:

      Refer to the Service Bulletin for the installation position.

      OK

      The connector is connected securely and there are no contact problems.

    Result

    Proceed to

    OK

    NG
    NG

    CONNECT SECURELY

    OK

  3. CHECK HARNESS AND CONNECTOR (ST2 TERMINAL VOLTAGE)

    1. A374897C09

      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU)

      Turn the power switch off.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G193-9 (ST2) - Body ground

      Power switch off

      Below 1 V

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HYBRID VEHICLE CONTROL ECU

    Click here

    NG

  4. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

    1. A374897C10

      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU)

      Disconnect the G82 certification ECU (smart key ECU assembly) connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G193-9 (ST2) - Body ground

      Power switch off

      Below 1 V

    3. Reconnect the G82 certification ECU (smart key ECU assembly) connector.

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR