HYBRID CONTROL SYSTEM Pattern Select Switch Eco Mode Circuit

DESCRIPTION

When selecting ECO drive mode, the ECO mode switch (integration control and panel sub-assembly) operation signal is sent to the air conditioning amplifier assembly. Following this, ECO drive mode control is activated for the heater and air conditioning system.

WIRING DIAGRAM

A0040NUE35
A0040NUE36

INSPECTION PROCEDURE

PROCEDURE


  1. 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

  2. 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

  3. PERFORM ACTIVE TEST USING GTS (INDICAT. ECO MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Perform the "Indicat. ECO MODE" Active Test.

      OK
      The ECO MODE indicator lamp comes on or blinks.

    5. Turn the power switch off.


    NG

    REPLACE NO. 2 METER CIRCUIT PLATE Click here

    OK

  4. READ VALUE USING GTS (ECO MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / ECO Mode.

    4. Read the value displayed on the GTS.

      Tester Display Measurement Item/Range Normal Condition
      ECO Mode

      ECO drive mode transition availability/

      ON or OFF

      		 In ECO drive mode: ON
      Result
      Result Proceed to
      The GTS display changes according to the ECO mode switch (integration control and panel sub-assembly) operation. A
      The GTS display does not changes according to the ECO mode switch (integration control and panel sub-assembly) operation. B

    B

    READ VALUE USING GTS (ECO SWITCH) Click here

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

  5. READ VALUE USING GTS (ECO SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / Air Conditioning / Data List / ECO Switch.

    4. Read the value displayed on the GTS.

      Tester Display Measurement Item/Range Normal Condition
      ECO Switch

      ECO mode switch (integration control and panel sub-assembly) condition/

      ON or OFF

      ECO mode switch (integration control and panel sub-assembly) being pushed and held: ON

      ECO mode switch (integration control and panel sub-assembly) not pushed: OFF
      Result
      Result Proceed to
      The GTS display changes according to the ECO mode switch (integration control and panel sub-assembly) operation. A
      The GTS display does not changes according to the ECO mode switch (integration control and panel sub-assembly) operation. B

    B

    CHECK ECO MODE SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) Click here

    A

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

  6. CHECK ECO MODE SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY)


    1. Remove the ECO mode switch (integration control and panel sub-assembly) Click here.

    2. A0040PQE07
      Text in Illustration
      *a

      Component without harness connected

      (ECO Mode 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
      7 (ECU) - 5 (E) ECO mode switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      ECO mode switch (integration control and panel sub-assembly) not pushed 10 kΩ or higher
    3. A0040PQE12
      Text in Illustration
      *a

      Component without harness connected

      (ECO Mode 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
      7 (ECU) - 5 (E) ECO mode switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      ECO mode 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
      2 (ECU) - 5 (E) ECO mode switch (integration control and panel sub-assembly) being pushed and held Below 1 Ω
      ECO mode switch (integration control and panel sub-assembly) not pushed 10 kΩ or higher

    4. Install the ECO mode switch (integration control and panel sub-assembly).


    NG

    REPLACE ECO MODE SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (ECO MODE SWITCH (INTEGRATION CONTROL AND PANEL SUB-ASSEMBLY) - BODY GROUND)


    1. Disconnect the L64 ECO mode switch (integration control and panel sub-assembly) connector.

    2. A0043WEE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to ECO Mode 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 ECO mode switch (integration control and panel sub-assembly) connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - COMBINATION SWITCH)


    1. Disconnect the L14 air conditioning amplifier assembly connector.

    2. Disconnect the L64 ECO mode switch (integration control and panel sub-assembly) connector.

    3. A00416SE04
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Air Conditioning Amplifier Assembly)
      *b

      Front view of wire harness connector

      (to ECO Mode 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
      L14-9 (ECOS) - L64-7 (ECU) Always Below 1 Ω
      L14-9 (ECOS) or L64-7 (ECU) - Body ground Always 10 kΩ or higher
    4. A00416SE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Air Conditioning Amplifier Assembly)
      *b

      Front view of wire harness connector

      (to ECO Mode 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
      L14-9 (ECOS) - L64-7 (ECU) Always Below 1 Ω
      L14-9 (ECOS) or L64-7 (ECU) - Body ground Always 10 kΩ or higher
      Standard Resistance
      Light Control Switch RH Side Type
      Tester Connection Condition Specified Condition
      L14-9 (ECOS) - L64-2 (ECU) Always Below 1 Ω
      L14-9 (ECOS) or L64-2 (ECU) - Body ground Always 10 kΩ or higher

    5. Reconnect the L64 ECO mode switch (integration control and panel sub-assembly) connector.

    6. Reconnect the L14 air conditioning amplifier assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here