HYBRID CONTROL SYSTEM Pattern Select Switch Eco Mode Circuit

DESCRIPTION

When selecting ECO drive mode, the ECO mode switch (eco switch 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

A01V0FDE53

PROCEDURE


  1. READ VALUE USING GTS (CAN BUS CHECK)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to 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 ignition 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 ignition switch to 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 ignition 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 ignition switch to 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 light comes on or blinks and turn off.

    5. Turn the ignition switch off.


    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  4. READ VALUE USING GTS (ECO MODE)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

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

    4. Read the value displayed on the GTS.

      GTS 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 (eco switch assembly) operation. A
      The GTS display does not changes according to the ECO mode switch (eco switch assembly) operation. B

    5. Turn the ignition switch off.


    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

    B

  5. READ VALUE USING GTS (ECO SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (IG).

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

    4. Read the value displayed on the GTS.

      GTS Display Measurement Item/Range Normal Condition
      ECO Switch

      ECO mode switch (eco switch assembly) condition/

      ON or OFF

      ECO mode switch (eco switch assembly) being pushed and held: ON

      ECO mode switch (eco switch assembly) not pushed: OFF
      Result
      Result Proceed to
      The GTS display changes according to the ECO mode switch (eco switch assembly) operation. A
      The GTS display does not changes according to the ECO mode switch (eco switch assembly) operation. B

    5. Turn the ignition switch off.


    A

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

    B

  6. INSPECT ECO MODE SWITCH (ECO SWITCH ASSEMBLY)


    1. Remove the ECO mode switch (eco switch assembly) Click here.

    2. A01V1FHE01
      Text in Illustration
      *a

      Component without harness connected

      (ECO Mode Switch (Eco Switch Assembly))

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F59-9 (ECU) - F59-6 (E) ECO mode switch (eco switch assembly) being pushed and held Below 1 Ω
      ECO mode switch (eco switch assembly) not pushed 10 kΩ or higher

    3. Install the ECO mode switch (eco switch assembly).


    NG

    REPLACE ECO MODE SWITCH (ECO SWITCH ASSEMBLY) Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (ECO MODE SWITCH (ECO SWITCH ASSEMBLY) - BODY GROUND)


    1. Disconnect the ECO mode switch (eco switch assembly) connector.

    2. A01V0Y8E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to ECO Mode Switch (Eco Switch Assembly))

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F59-6 (E) - Body ground Always Below 1 Ω

    3. Connect the ECO mode switch (eco switch assembly) connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the air conditioning amplifier assembly connector.

    2. Disconnect the ECO mode switch (eco switch assembly) connector.

    3. A01UY3FE01
      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 (Eco Switch Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F29-4 (ECOS) - F59-9 (ECU) Always Below 1 Ω
      F29-4 (ECOS) or F59-9 (ECU) - Body ground Always 10 kΩ or higher

    4. Connect the ECO mode switch (eco switch assembly) connector.

    5. Connect the air conditioning amplifier assembly connector.


    OK

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR