MULTI-MODE MANUAL TRANSAXLE SYSTEM Shift Paddle Switch Circuit

DESCRIPTION

Moving the shift lever to the M or E position enables the gear selection. The drive can select gears optionally by shifting the paddle to the [+] or [-].

WIRING DIAGRAM

A01377GE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Multi-Mode M/T / DTC.

    5. Read the DTCs using the tester.

      Result
      Result Proceed to
      DTCs is not output A
      DTC is output B

    B

    GO TO DTC CHART Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER (SPORT SHIFT UP SW / SPORT SHIFT DOWN SW)


    1. Enter the following menus: Powertrain / Multi-Mode M/T / Data List.

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

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note

      Steering Switch Signal Up

      [Str SW Up]

      Steering switch [up] signal:

      Open (OFF) or Gnd (ON)

      Gnd: Steering switch [up] pushed

      Open: Steering switch [up] released

      		 SFTU terminal signal of transmission control ECU

      Steering SW Signal Down

      [Str SW Down]

      Steering switch [down] signal:

      Open (OFF) or Gnd (ON)

      Gnd: Steering switch [down] pushed

      Open: Steering switch [down] released

      		 SFTD terminal signal of transmission control ECU
      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 (SHIFT PADDLE SWITCH - TRANSMISSION CONTROL ECU) Click here

    A

    CHECK FOR INTERMITTENT PROBLEMS Click here

  3. CHECK HARNESS AND CONNECTOR (SHIFT PADDLE SWITCH - TRANSMISSION CONTROL ECU)


    1. Disconnect the A27 transmission control ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A27-9 (SFTU) - Body ground Pull continuously "+" (up shift) Below 2.5 Ω
      Release "+" (up shift) 1 MΩ or higher
      A27-8 (SFTD) - Body ground Pull continuously "-" (down shift) Below 2.5 Ω
      Release "-" (down shift) 1 MΩ or higher

    3. Connect the transmission control ECU connector.


    NG

    CHECK SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) Click here

    OK

  4. REPLACE TRANSMISSION CONTROL ECU


    1. Replace the transmission control ECU Click here.


    NEXT

  5. PERFORM INITIALIZATION


    1. Perform the initialization and learning for multi-mode manual transaxle system Click here.


    NEXT

    END

  6. CHECK SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)


    1. Remove the steering pad.

    2. Disconnect the horn wire sub-assembly connector.

    3. A0137WME02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Spiral Cable Sub-assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-2 (SFTU) - B-6 (ECC) Pull continuously "+" (up shift) Below 2.5 Ω
      Release "+" (up shift) 1 MΩ or higher
      B-3 (SFTD) - B-6 (ECC) Pull continuously "-" (down shift) Below 2.5 Ω
      Release "-" (down shift) 1 MΩ or higher

    NG

    INSPECT SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY) Click here

    OK

  7. INSPECT SPIRAL CABLE SUB-ASSEMBLY


    1. A0137LOE05
      Text in Illustration
      *a

      Component without harness connected

      (Spiral Cable Sub-assembly)

      Remove the spiral cable sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-6 (ECC) - C6-2 (ECC) Always Below 1 Ω
      B-2 (SFTU) - C6-9 (SUP) Always Below 1 Ω
      B-3 (SFTD) - C6-10 (SDN) Always Below 1 Ω
      B-6 (ECC) or C6-2 (ECC) - All other terminals Always 10 kΩ or higher
      B-2 (SFTU) or C6-9 (SUP) - All other terminals Always 10 kΩ or higher
      B-3 (SFTD) or C6-10 (SDN) - All other terminals Always 10 kΩ or higher

    NG

    REPLACE SPIRAL CABLE SUB-ASSEMBLY Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR (SHIFT PADDLE SWITCH - TRANSMISSION CONTROL ECU)

  8. INSPECT SHIFT PADDLE SWITCH (TRANSMISSION SHIFT SWITCH ASSEMBLY)


    1. Shift paddle switch RH (transmission shift switch assembly)


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

      2. A01384JE01
        Text in Illustration
        *a

        Component without harness connected

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

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

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

    2. Shift paddle switch LH (transmission shift switch assembly)


      1. A01363QE01
        Text in Illustration
        *a

        Component without harness connected

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

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

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

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

    NG

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

    OK

  9. INSPECT HORN WIRE SUB-ASSEMBLY


    1. Disconnect the horn wire sub-assembly connector.

    2. A01361BE01
      Text in Illustration
      *a

      Component without harness connected

      (Horn Wire Sub-assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-2 (SFTU) - A-1 (SFTU) Always Below 2.5 Ω
      B-3 (SFTD) - A-2 (SFTD) Always Below 2.5 Ω
      B-6 (ECC) - A-3 (ECC) Always Below 2.5 Ω

    NG

    REPLACE HORN WIRE SUB-ASSEMBLY

    OK

    REPLACE NO. 1 SWITCH WIRE Click here