HYBRID CONTROL SYSTEM Pattern Select Switch EV/HV Mode Circuit

DESCRIPTION

The EV drive mode signal will be sent to the power management control ECU when the EV/HV mode selection switch (integration control and panel sub-assembly) is operated. If the specified conditions are met, the system enters EV drive mode and the vehicle will be driven using EV drive mode. This signal is then transmitted from the power management control ECU via CAN to the combination meter assembly to illuminate the EV mode indicator light.

WIRING DIAGRAM

A00445TE24
A00445TE25

INSPECTION PROCEDURE

If any of the following conditions are not met, EV drive mode may not be turned on or the mode may be cancelled. (A buzzer sounds to indicate that the transition to EV drive mode is cancelled.)

EV Drive Mode Entry Condition Tester Display Specified Condition
HV battery charge level State of Charge (All Bat) Approximately 50% or higher
Accelerator pedal position Accelerator Degree

High speed driving: Approximately 40%

Low speed driving: Approximately 80%
Engine coolant temperature Engine Coolant Temp -10°C (14°F) or higher
HV battery temperature Temp of Batt TB1 to TB12 -10°C (14°F) or higher

Vehicle speed

(Varies depending on engine warm-up condition)

 Vehicle Spd 100 km/h (63 mph) or less
Win Charge Control Value Below -20 kW
Wout Discharge Control Value 37.7 kW or higher
Defroster - OFF
Cruise control - OFF

PROCEDURE


  1. ASK ABOUT VEHICLE CONDITION


    1. Check if a buzzer sounded when attempting to enter EV drive mode.

      Result
      Result Proceed to
      No buzzer sounded. A
      A buzzer sounded. B

      Tech Tips

      If a buzzer sounds, one or more of the EV drive mode entry conditions have not been met. Check that all of the EV drive mode entry conditions have been met before pressing the EV/HV mode selection switch (integration control and panel sub-assembly).


    B

    COMPLETED

    A

  2. READ VALUE USING GTS (CAN BUS CHECK)


    1. Connect the GTS 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

    4. Turn the power switch off.


    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  3. CHECK DTC OUTPUT (HEALTH CHECK)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: System Select / Health Check.

    4. Check DTCs.

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

    5. Turn the power switch off.


    B

    GO TO DTC CHART

    A

  4. PERFORM ACTIVE TEST USING GTS (INDICAT. EV MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (READY).

    3. Enter the following menus: Body Electrical / Combination Meter / Active Test / Indicat. EV Mode.

    4. Perform the "Indicat. EV Mode" Active Test.

      OK
      The EV mode indicator lamp comes on or blinks.

    5. Turn the power switch off.


    NG

    REPLACE NO. 2 METER CIRCUIT PLATE Click here

    OK

  5. READ VALUE USING GTS (EV REQUEST, EV SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / EV request, EV Switch.

    4. Read the value displayed on the GTS.

      Tester Display Measurement Item/Range Normal Condition
      EV request

      EV drive mode transition availability/

      ON or OFF

      		 In EV drive mode: ON
      EV Switch

      EV/HV mode selection switch (integration control and panel sub-assembly) condition/

      ON or OFF

      		 EV/HV mode selection switch (integration control and panel sub-assembly) being pushed and held: ON
      Result
      Result Proceed to
      The GTS display changes according to the EV/HV mode selection switch (integration control and panel sub-assembly) operation. A
      The GTS display does not change according to the EV/HV mode selection switch (integration control and panel sub-assembly) operation. B

    5. Turn the power switch off.


    B

    CHECK EV/HV MODE SELECTION SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) Click here

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

  6. CHECK EV/HV MODE SELECTION SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY)


    1. Remove the EV/HV mode selection switch (integration control and panel sub-assembly) Click here.

    2. A0040PQE08
      Text in Illustration
      *a

      Component without harness connected

      (EV/HV Mode Selection Switch (Integration Control and Panel Sub-assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 (S) - 5 (E) EV/HV mode selection switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      EV/HV mode selection switch (integration control and panel sub-assembly) not pushed 10 kΩ or higher
    3. A0040PQE09
      Text in Illustration
      *a

      Component without harness connected

      (EV/HV Mode Selection Switch (Integration Control and Panel Sub-assembly))
      *b Light Control Switch LH Side Type
      *c Light Control Switch RH Side Type

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

      Standard Resistance
      Light control switch LH side type
      Tester Connection Condition Specified Condition
      2 (S) - 5 (E) EV/HV mode selection switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      EV/HV mode selection switch (integration control and panel sub-assembly) not pushed 10 kΩ or higher
      Standard Resistance
      Light control switch RH side type
      Tester Connection Condition Specified Condition
      3 (S) - 5 (E) EV/HV mode selection switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      EV/HV mode selection switch (integration control and panel sub-assembly) not pushed 10 kΩ or higher

    4. Install the EV/HV mode selection switch (integration control and panel sub-assembly).


    NG

    REPLACE EV/HV MODE SELECTION SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (EV/HV MODE SELECTION SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) - BODY GROUND)


    1. Disconnect the L64 EV/HV mode selection switch (integration control and panel sub-assembly) connector.

    2. A0043WEE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to EV/HV Mode Selection Switch (Integration Control and Panel Sub-assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L64-5 (E) - Body ground Always Below 1 Ω

    3. Reconnect the L64 EV/HV mode selection switch (integration control and panel sub-assembly) connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - EV/HV MODE SELECTION SWITCH (INTEGRATION CONTROL AND PANEL)


    1. Disconnect the L5 power management control ECU connector.

    2. Disconnect the L64 EV/HV mode selection switch (integration control and panel sub-assembly) connector.

    3. A0042W2E03
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Front view of wire harness connector

      (to EV/HV Mode Selection Switch (Integration Control and Panel Sub-assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L5-13 (EVSW) - L64-3 (S) Always Below 1 Ω
      L5-13 (EVSW) or L64-3 (S) - Body ground Always 10 kΩ or higher
    4. A0042W2E04
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Front view of wire harness connector

      (to EV/HV Mode Selection Switch (Integration Control and Panel Sub-assembly))
      *c Light Control Switch LH Side Type
      *d Light Control Switch RH Side Type

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

      Standard Resistance
      Light Control Switch LH Side Type
      Tester Connection Condition Specified Condition
      L5-13 (EVSW) - L64-2 (S) Always Below 1 Ω
      L5-13 (EVSW) or L64-2 (S) - Body ground Always 10 kΩ or higher
      Standard Resistance
      Light Control Switch RH Side Type
      Tester Connection Condition Specified Condition
      L5-13 (EVSW) - L64-3 (S) Always Below 1 Ω
      L5-13 (EVSW) or L64-3 (S) - Body ground Always 10 kΩ or higher

    5. Reconnect the L64 EV/HV mode selection switch (integration control and panel sub-assembly) connector.

    6. Reconnect the L5 power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here