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Shift Paddle Switch Circuit [08/2016 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (SPORTS SHIFT UP SWITCH AND SPORTS SHIFT DOWN SWITCH) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List / Primary.
    5. According to the display on the Techstream, 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 OFF or ON
      • ON: Shift lever held in "+" or "+" shift paddle switch pulled
      • OFF: Shift lever not held in "+" or "+" shift paddle switch released
      		 -
      Sports Shift Down SW Sport shift down switch status OFF or ON
      • ON: Shift lever held in "-" or "-" shift paddle switch pulled
      • OFF: Shift lever not held in "-" or "-" 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

    Result:  1

    A 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [08/2013 - ] 

    Result:  2

    B 

    See step  2

  2. INSPECT TRANSMISSION SHIFT SWITCH ASSEMBLY (SHIFT PADDLE SWITCH) 
    1. Disconnect the A40 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A40-59 (SFTU) - A40-42 (ECCS) "+" continuously pulled Below 3 Ω
      A40-59 (SFTU) - A40-42 (ECCS) Released 10 kΩ or higher
      A40-43 (SFTD) - A40-42 (ECCS) "-" continuously pulled Below 3 Ω
      A40-43 (SFTD) - A40-42 (ECCS) Released 10 kΩ or higher
    3. Connect the A40 ECM connector.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    See step  4

    Result:  1

    OK 

    See step  3

  3. CHECK WIRE HARNESS AND CONNECTORS (ECM - BODY GROUND) 
    1. Disconnect the B33 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B33-16 (E1) - Body ground Always Below 1 Ω
    3. Connect the B33 ECM connector.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    GO TO TRANSMISSION CONTROL SWITCH CIRCUIT:  Transmission Control Switch Circuit [08/2016 - ]  

    Result:  2

    NG 

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

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM) 
    1. Disconnect the E8 spiral cable sub-assembly connector.
    2. Disconnect the A40 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A40-43 (SFTD) - E8-7 (SDN) Always Below 1 Ω
      A40-43 (SFTD) or E8-7 (SDN) - Body ground and other terminals Always 10 kΩ or higher
      A40-59 (SFTU) - E8-14 (SUP) Always Below 1 Ω
      A40-59 (SFTU) or E8-14 (SUP) - Body ground and other terminals Always 10 kΩ or higher
      A40-42 (ECCS) - E8-2 (ECC) Always Below 1 Ω
      A40-42 (ECCS) or E8-2 (ECC) - Body ground and other terminals Always 10 kΩ or higher
    4. Connect the A40 ECM connector.
    5. Connect the E8 spiral cable sub-assembly connector.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

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

    Result:  1

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - SHIFT PADDLE SWITCH) 
    1. Disconnect the z5 steering pad switch assembly connector from the spiral cable sub-assembly.
      GTY453675Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Spiral Cable Sub-assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      z5-6 (SUP) - z5-7 (ECC) "+" continuously pulled Below 3 Ω
      z5-6 (SUP) - z5-7 (ECC) Released 10 kΩ or higher
      z5-12 (SDN) - z5-7 (ECC) "-" continuously pulled Below 3 Ω
      z5-12 (SDN) - z5-7 (ECC) Released 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    See step  8

    Result:  1

    OK 

    See step  6

  6. INSPECT SPIRAL CABLE SUB-ASSEMBLY 
    1. Disconnect the z5 and E8 connectors from the spiral cable sub-assembly.
      GTY428107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Spiral Cable Sub-assembly)      		 *b Steering Pad Switch Assembly Side
      *c Vehicle Side - -
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      z5-7 (ECC) - E8-2 (ECC) Always Below 3 Ω
      z5-6 (SUP) - E8-14 (SUP) Always Below 3 Ω
      z5-12 (SDN) - E8-7 (SDN) Always Below 3 Ω
      z5-7 (ECC) or E8-2 (ECC) - Body ground and other terminals Always 10 kΩ or higher
      z5-6 (SUP) or E8-14 (SUP) - Body ground and other terminals Always 10 kΩ or higher
      z5-12 (SDN) or E8-7 (SDN) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  COMPONENTS [08/2016 - 08/2017]  Refer to  COMPONENTS [08/2017 - ] 

    Result:  1

    OK 

    See step  7

  7. REPLACE ECM 
    1. Replace the ECM.

      for 2ZR-FAE: Refer to COMPONENTS [08/2016 - ]

      for 2ZR-FE: Refer to COMPONENTS [08/2016 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    PERFORM INITIALIZATION. Refer to  INITIALIZATION [08/2016 - ] 

  8. INSPECT TRANSMISSION SHIFT SWITCH ASSEMBLY (SHIFT PADDLE SWITCH) 
    1. Disconnect the A and B connectors from the shift paddle switch LH and RH.
      GTY725509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Shift Paddle Switch LH)
      *b Component without harness connected
      (Shift Paddle Switch RH)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance (Shift Paddle Switch LH)

      Tester Connection Condition Specified Condition
      B-3 (ECC) - B-2 (SFTD) "-" continuously pulled Below 3 Ω
      B-3 (ECC) - B-2 (SFTD) Released 10 kΩ or higher
      B-4 (ECC1) - B-2 (SFTD) "-" continuously pulled Below 3 Ω
      B-4 (ECC1) - B-2 (SFTD) Released 10 kΩ or higher

      Standard Resistance (Shift Paddle Switch RH)

      Tester Connection Condition Specified Condition
      A-3 (SFTU) - A-2 (ECC1) "+" continuously pulled Below 3 Ω
      A-3 (SFTU) - A-2 (ECC1) Released 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE TRANSMISSION SHIFT SWITCH ASSEMBLY (SHIFT PADDLE SWITCH). Refer to  COMPONENTS [08/2013 - ] 

    Result:  1

    OK 

    See step  9

  9. INSPECT NO. 1 SWITCH WIRE 
    1. Connect the A and B shift paddle switch LH and RH connectors.
      GTY723658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Steering Pad Switch Assembly)
    2. Disconnect the z10 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
      z10-2 (SFTU) - z10-7 (ECC) "+" continuously pulled Below 3 Ω
      z10-2 (SFTU) - z10-7 (ECC) Released 10 kΩ or higher
      z10-3 (SFTD) - z10-7 (ECC) "-" continuously pulled Below 3 Ω
      z10-3 (SFTD) - z10-7 (ECC) Released 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  COMPONENTS [08/2013 - ] 

    Result:  2

    NG 

    REPLACE NO. 1 SWITCH WIRE. Refer to  COMPONENTS [08/2013 - ] 

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