HYBRID CONTROL SYSTEM Pattern Select Switch Power Mode Circuit

DESCRIPTION

When selecting power mode, the switch operation signal is sent to the ECM. Following this, the drive torque is optimally controlled to obtain a sporty feel in response to the driver's acceleration operation.

WIRING DIAGRAM

A01JAT8E01

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (CAN BUS CHECK)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: System Select / CAN Bus Check.

      Result
      Result Proceed to
      All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A
      None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK DTC OUTPUT (ALL)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Check for DTCs of all system by following the prompts on the tester screen.

      Result
      Result Proceed to
      No DTCs are output A
      DTCs are output B

    B

    GO TO DTC CHART

    A

  3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (COMBINATION METER)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / Combination Meter / Active Test / Indicat. Lamp ECT PWR.

    4. Perform the "Indicat. Lamp ECT PWR" Active Test.

      OK
      Tester Display Description Inspection Condition Specified Condition
      Indicat. Lamp ECT PWR Pattern select indicator light (PWR) POWER mode Comes on
      Result
      Result Proceed to
      The POWER mode indicator light comes on A
      The POWER mode indicator light does not come on B

    B

    REPLACE COMBINATION METER ASSEMBLY Click here

    A

  4. READ VALUE USING INTELLIGENT TESTER (PATTERN SWITCH (PWR/M))


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Pattern Switch (PWR/M).

    4. Read the value displayed on the intelligent tester.

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Pattern Switch (PWR/M)

      POWER mode switch condition/

      ON or OFF

      POWER mode switch ON:

      ON

      POWER mode switch OFF:

      OFF

      		 -
      Result
      Result Proceed to
      The intelligent tester display changes according to the POWER mode switch operation. A
      The intelligent tester display does not changes according to the POWER mode switch operation. B

    B

    CHECK PATTERN SELECT SWITCH (POWER MODE SWITCH) Click here

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

  5. CHECK PATTERN SELECT SWITCH (POWER MODE SWITCH)


    1. A01JAJDE02
      Text in Illustration
      *1 Pattern Select Switch (POWER Mode Switch)

      Remove the pattern select switch (POWER mode switch).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L78-7 (PWR) - L78-5 (E) POWER Mode Switch ON Below 1 Ω
      L78-7 (PWR) - L78-5 (E) POWER Mode Switch OFF 10 kΩ or higher

    3. Install the pattern select switch.


    NG

    REPLACE PATTERN SELECT SWITCH

    OK

  6. CHECK HARNESS AND CONNECTOR (POWER MODE SWITCH - BODY GROUND)


    1. A01JCG5E01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Pattern Select Switch (POWER Mode Switch))

      Disconnect connector L78 from the pattern select switch (POWER mode switch).

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L78-5 (E) - Body ground Always Below 1 Ω

    3. Connect the pattern select switch connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (PATTERN SELECT SWITCH (POWER MODE SWITCH) - ECM)


    1. Disconnect connector L78 from the pattern select switch.

    2. Disconnect connector A57 from the ECM.

    3. A01J9G9E01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Pattern Select Switch (POWER Mode Switch))
      *2

      Front view of wire harness connector

      (to ECM)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L78-7 (PWR) - A57-46 (PWMS) Always Below 1 Ω
      L78-7 (PWR) or A57-46 (PWMS) - Body ground Always 10 kΩ or higher

    4. Connect the ECM connector.

    5. Connect the pattern select switch connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ECM Click here