CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM Shift Paddle Switch Circuit

DESCRIPTION

When moving the shift lever into M using the transmission control switch, it is possible to switch the shift range position between "1" (1st) and "7" (7th). Shifting up "+" once raises one shift range, and shifting down "-" lowers one shift range.

WIRING DIAGRAM

A005LX5E02

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

    5. Read the DTCs using the GTS.

      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO DTC CHART Click here

    A

  2. READ VALUE USING GTS (SPORT MODE SELECTION SW)


    1. Enter the following menus: Powertrain / Engine and ECT / Data List.

    2. In accordance with the display on the GTS, read the Data List.

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Sports Mode Selection SW

      Sport mode select switch status/

      OFF or ON

      OFF: Shift lever not in M, "+" or "-"

      ON: Shift lever position; M, "+" or "-"

      		 -
      Result
      Result Proceed to
      Data display is within Normal Condition range A
      Data display is not within Normal Condition range B

    B

    CHECK HARNESS AND CONNECTOR (IG POWER SUPPLY) Click here

    A

  3. READ VALUE USING GTS (SPORT SHIFT UP SW / SPORT SHIFT DOWN SW)


    1. Enter the following menus: Powertrain / Engine and ECT / Data List.

    2. In accordance with the display on the GTS, read the Data List.

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Sports Shift Up SW

      Sport shift up switch status/

      OFF or ON

      OFF: "+" shift paddle not operated (up-shift)

      ON: "+" Shift paddle operated and held (up-shift)

      		 -
      Sports Shift Down SW

      Sport shift down switch status/

      OFF or ON

      OFF: "-" Shift paddle not operated (down-shift)

      ON: "-" Shift paddle operated and held (down-shift)

      		 -
      Result
      Result Proceed to
      Data display is within Normal Condition range A
      Data display is not within Normal Condition range B

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

    B

  4. CHECK HARNESS AND CONNECTOR (TRANSMISSION SHIFT SWITCH - ECM)


    1. Disconnect the ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A58-42 (SFTU) - Body ground Pull continuously "+" (up shift) Below 2.5 Ω
      Release "+" (up shift) 1 MΩ or higher
      A58-43 (SFTD) - Body ground Pull continuously "-" (down shift) Below 2.5 Ω
      Release "-" (down shift) 1 MΩ or higher

    3. Connect the ECM connector.


    NG

    CHECK HARNESS AND CONNECTOR (ECM - SPIRAL CABLE SUB-ASSEMBLY) Click here

    OK

  5. REPLACE ECM


    1. Replace the ECM Click here.


    NEXT

  6. PERFORM INITIALIZATION

    Note


    • Performing reset memory/initialization will clear the learned value of the deceleration sensor (deceleration sensor zero point calibration) and the CVT oil pressure (CVT oil pressure calibration). Make sure to perform reset memory, deceleration sensor zero point calibration, and CVT oil pressure calibration when replacing any of the parts shown in the following table:

      Replaced Part

      • Continuously variable transaxle assembly

      • ECM

      • Brake actuator assembly (Skid control ECU)

      • Oil pressure sensor

      • Deceleration sensor

    • After reset memory, always perform deceleration sensor (deceleration sensor zero point) calibration first, and then the CVT oil pressure calibration.

    • Always perform the zero point calibration with the vehicle on level ground.

    • Do not shake or vibrate the vehicle during the zero point calibration.


    1. Using the GTS, perform the reset memory, deceleration sensor zero point calibration and CVT oil pressure calibration Click here.

    2. Check for DTCs again Click here.


    NEXT

    END

  7. CHECK HARNESS AND CONNECTOR (ECM - SPIRAL CABLE SUB-ASSEMBLY)


    1. Disconnect the spiral cable sub-assembly connector.

    2. Disconnect the ECM connector.

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

      Standard Resistance (Check for open)
      Tester Connection Condition Specified Condition
      F5-9 (SUP) - A58-42 (SFTU) Always Below 1 Ω
      F5-10 (SDN) - A58-43 (SFTD) Always Below 1 Ω
      F5-2 (ECC) - Body ground Always Below 1 Ω
      Standard Resistance (Check for short)
      Tester Connection Condition Specified Condition
      F5-9 (SUP) or A58-42 (SFTU) - Body ground Always Below 1 Ω
      F5-10 (SDN) or A58-43 (SFTD) - Body ground Always Below 1 Ω

    4. Connect the ECM connector.

    5. Connect the spiral cable sub-assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE - ECM)

    OK

  8. INSPECT SPIRAL CABLE SUB-ASSEMBLY


    1. Remove the spiral cable sub-assembly.

      A005L4BE01

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z2-6 (ECC) - F5-2 (ECC) Always Below 1 Ω
      z2-2 (SFTU) - F5-9 (SUP) Always Below 1 Ω
      z2-3 (SFTD) - F5-10 (SDN) Always Below 1 Ω
      Text in Illustration
      *a

      Component without harness connected

      (Spiral Cable Sub-assembly)

    3. Install the spiral cable sub-assembly.


    NG

    REPLACE SPIRAL CABLE SUB-ASSEMBLY Click here

    OK

  9. INSPECT TRANSMISSION SHIFT SWITCH ASSEMBLY


    1. Transmission Shift Switch (Shift Paddle Switch RH):


      1. Disconnect the transmission shift switch (Shift paddle switch RH) connector.

      2. A005JISE02
        Text in Illustration
        *a

        Component without harness connected

        (Shift Paddle Switch (Transmission Shift Switch Assembly RH))

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        3 (SFTU) - 2 (ECC1) Pull continuously "+" (up shift) Below 2.5 Ω
        Release "+" (up shift) 1 MΩ or higher

    2. Transmission Shift Switch (Shift Paddle Switch LH):


      1. A005M41E02
        Text in Illustration
        *a

        Component without harness connected

        (Shift Paddle Switch (Transmission Shift Switch Assembly LH))

        Disconnect the transmission shift switch (Shift paddle switch LH) connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        2 (SFTD) - 3 (ECC) Pull continuously "-" (down shift) Below 2.5 Ω
        Release "-" (down shift) 1 MΩ or higher
        3 (ECC) - 4 (ECC1) Always Below 1 Ω

    NG

    REPLACE TRANSMISSION SHIFT SWITCH ASSEMBLY Click here

    OK

  10. INSPECT NO. 2 SWITCH WIRE


    1. A005KFVE02
      Text in Illustration
      *a

      Component without harness connected

      (No. 2 Switch Wire)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z2-2 (SFTU) - A-3 (SFTU) Always Below 1 Ω
      z2-3 (SFTD) - A-2 (SFTD) Always Below 1 Ω
      z2-6 (ECC) - A-6 (ECC) Always Below 1 Ω

    OK

    REPLACE NO. 1 SWITCH WIRE Click here

    NG

    REPLACE NO. 2 SWITCH WIRE Click here

  11. CHECK HARNESS AND CONNECTOR (IG POWER SUPPLY)


    1. Turn the ignition switch to ON.

    2. A005I4TE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (Transmission Control Unit Assembly

      (Transmission Control Switch))

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F25-6 (IG) - Body ground Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY (TRANSMISSION CONTROL SWITCH)


    1. A005J19E22
      Text in Illustration
      *a

      Component without harness connected

      (Transmission Control Unit Assembly

      (Transmission Control Switch))

      Disconnect the transmission control switch connector of the shift lock control unit assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      6 (IG) - 13 (S) Shift lever in M, "+" or "-" Below 1 Ω
      Shift lever not in M, "+" or "-" 10 kΩ or higher

    NG

    REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (SHIFT LOCK CONTROL UNIT ASSEMBLY - ECM)


    1. Disconnect the ECM connector.

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

      Standard Resistance (Check for open)
      Tester Connection Condition Specified Condition
      F25-13 (S) - A58-41 (S) Always Below 1 Ω
      Standard Resistance (Check for short)
      Tester Connection Condition Specified Condition
      F25-13 (S) or A58-41 (S) - Body ground and other terminals Always 10 kΩ or higher

    3. Connect the ECM connector.

    4. Connect the transmission control switch connector of the shift lock control unit assembly.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. REPLACE ECM


    1. Replace the ECM Click here.


    NEXT

  15. PERFORM INITIALIZATION

    Note


    • Performing reset memory/initialization will clear the learned value of the deceleration sensor (deceleration sensor zero point calibration) and the CVT oil pressure (CVT oil pressure calibration). Make sure to perform reset memory, deceleration sensor zero point calibration, and CVT oil pressure calibration when replacing any of the parts shown in the following table:

      Replaced Part

      • Continuously variable transaxle assembly

      • ECM

      • Brake actuator assembly (Skid control ECU)

      • Oil pressure sensor

      • Deceleration sensor

    • After reset memory, always perform deceleration sensor (deceleration sensor zero point) calibration first, and then the CVT oil pressure calibration.

    • Always perform the zero point calibration with the vehicle on level ground.

    • Do not shake or vibrate the vehicle during the zero point calibration.


    1. Using the GTS, perform the reset memory, deceleration sensor zero point calibration and CVT oil pressure calibration Click here.

    2. Check for DTCs again Click here.


    NEXT

    END