AUTOMATIC TRANSAXLE SYSTEM Shift Paddle Switch Circuit

DESCRIPTION

Moving the shift lever to S enables the shift range to be selected. The shift range can be selected by operating the "+" or "-" shift paddle switch.

WIRING DIAGRAM

B007008E02

CAUTION / NOTICE / HINT

Note

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here

PROCEDURE


  1. READ VALUE USING GTS (SPORT SHIFT UP SW AND SPORTS SHIFT DOWN SW)


    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 / Data List.

    5. According to the display on the GTS, read the Data List.


      Powertrain > Engine and ECT > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Sports Shift Up SW Sport shift up switch status ON or OFF

      • ON: Shift lever held in "+" or "+" shift paddle switch operated

      • OFF: Shift lever not held in "+" and "+" shift paddle switch released

      		 -
      Sports Shift Down SW Sport shift down switch status ON or OFF

      • ON: Shift lever held in "-" or "-" shift paddle switch operated

      • OFF: Shift lever not held in "-" and "-" shift paddle switch released

      		 -

      Powertrain > Engine and ECT > Data List
      Tester Display
      Sports Shift Up SW
      Sports Shift Down SW
      Result
      Result Proceed to
      Data List values are normal A
      Data List values are not normal B

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

    B

  2. CHECK HARNESS AND CONNECTOR (SHIFT PADDLE SWITCH CIRCUIT)


    1. Disconnect the A22 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A22-42 (SFTU) - A22-35 (ECCS) "+" (Up shift) shift paddle switch operated and held Below 13 Ω
      "+" (Up shift) shift paddle switch not operated 10 kΩ or higher
      A22-43 (SFTD) - A22-35 (ECCS) "-" (Down shift) shift paddle switch operated and held Below 13 Ω
      "-" (Down shift) shift paddle switch not operated 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  3. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)


    1. Disconnect the C58 ECM connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      C58-59 (E1) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - BODY GROUND)

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


    1. Disconnect the A22 ECM connector.

    2. Disconnect the K22 spiral cable sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A22-42 (SFTU) - K22-8 (SUP) Always Below 1 Ω
      A22-43 (SFTD) - K22-1 (SDN) Always Below 1 Ω
      A22-35 (ECCS) - K22-2 (ECC) Always Below 1 Ω
      A22-42 (SFTU) or K22-8 (SUP) - Body ground Always 10 kΩ or higher
      A22-43 (SFTD) or K22-1 (SDN) - Body ground Always 10 kΩ or higher
      A22-35 (ECCS) or K22-2 (ECC) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  5. INSPECT SPIRAL CABLE SUB-ASSEMBLY


    1. Inspect the spiral cable sub-assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SPIRAL CABLE SUB-ASSEMBLY Click here

    OK

  6. INSPECT SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY)


    1. B0071L0C01
      *a

      Component without harness connected

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

      Remove the shift paddle switch LH (transmission shift switch assembly).

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-1 (SDN) - A-2 (ECC) "-" (Down shift) shift paddle switch operated and held Below 13 Ω
      "-" (Down shift) shift paddle switch not operated 10 kΩ or higher
      A-1 (SDN) - A-3 (ECC1) "-" (Down shift) shift paddle switch operated and held Below 13 Ω
      "-" (Down shift) shift paddle switch not operated 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY) Click here

    OK

  7. INSPECT SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY)


    1. B0071L0C02
      *a

      Component without harness connected

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

      Remove the shift paddle switch RH (transmission shift switch assembly).

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-1 (SUP) - B-2 (ECC) "+" (Up shift) shift paddle switch operated and held Below 13 Ω
      "+" (Up shift) shift paddle switch not operated 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY) Click here

    OK

  8. INSPECT NO. 1 SWITCH WIRE


    1. B006XUFC09
      *a

      Front view of wire harness connector

      (to Spiral Cable Sub-assembly)

      Install the transmission shift switch assembly.

      Click here

    2. Disconnect the z4 No. 1 switch wire connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      z4-2 (SUP) - z4-3 (ECC) "+" (Up shift) shift paddle switch operated and held Below 13 Ω
      "+" (Up shift) shift paddle switch not operated 10 kΩ or higher
      z4-4 (SDN) - z4-3 (ECC) "-" (Down shift) shift paddle switch operated and held Below 13 Ω
      "-" (Down shift) shift paddle switch not operated 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPLACE NO. 1 SWITCH WIRE Click here