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Home >> Lexus >> 2015 >> NX 200t Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission (U661E) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Automatic Transaxle System >> Shift Paddle Switch Circuit [10/2014 - 09/2017] >> Procedure

Shift Paddle Switch Circuit [10/2014 - 09/2017]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. READ VALUE USING TECHSTREAM (SPORT SHIFT UP SW AND SPORT SHIFT DOWN SW) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Data List
    5. According to the display on the Techstream, read the Data List.

      Powertrain > Engine > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Sport Shift Up SW Sport shift up switch status ON or OFF
      • ON: "+" shift paddle operated and held (up-shift)
      • OFF: "+" shift paddle not operated (up-shift)
      		 -
      Sport Shift Down SW Sport shift down switch status ON or OFF
      • ON: "-" shift paddle operated and held (down-shift)
      • OFF: "-" shift paddle not operated (down-shift)
      		 -

      Powertrain > Engine > Data List 

      Tester Display
      Sport Shift Up SW
      Sport Shift Down SW

      Result

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

    Result: 

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2014 - 09/2017] 

    Result: 

    B 

    See step  2

  2. INSPECT TRANSMISSION SHIFT SWITCH ASSEMBLY (SHIFT PADDLE SWITCH) 
    1. Disconnect the ECM connector.
      GTY519102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to ECM)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A35-42 (SFTU) - Body ground "+" shift paddle operated and held (up-shift) Below 2.5 Ω
      A35-42 (SFTU) - Body ground "+" shift paddle not operated (up-shift) 1 MΩ or higher
      A35-43 (SFTD) - Body ground "-" shift paddle operated and held (down-shift) Below 2.5 Ω
      A35-43 (SFTD) - Body ground "-" shift paddle not operated (down-shift) 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    GO TO TRANSMISSION CONTROL SWITCH CIRCUIT. Refer to  Transmission Control Switch Circuit [10/2014 - 09/2017]  

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND) 
    1. Disconnect the spiral cable sub-assembly connector.
      GTY504547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Spiral Cable Sub-assembly)

      Refer to REMOVAL [10/2014 - 09/2017]

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      I4-2 (ECC) - Body ground Always Below 1 Ω

      Result

      Result Proceed to
      OK A
      NG (w/o Dynamic Radar Cruise Control System) B
      NG (w/ Dynamic Radar Cruise Control System) C

    Result: 

    B 

    See step  10

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM) 
    1. Disconnect the I4 spiral cable sub-assembly connector.

      Refer to REMOVAL [10/2014 - 09/2017]

    2. Disconnect the A35 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I4-7 (SDN) - A35-43 (SFTD) Always Below 1 Ω
      I4-14 (SUP) - A35-42 (SFTU) Always Below 1 Ω
      I4-7 (SDN) or A35-43 (SFTD) - Body ground Always 10 kΩ or higher
      I4-14 (SUP) or A35-42 (SFTU) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - SHIFT PADDLE SWITCH) 
    1. Disconnect the steering pad switch connector.
      GTY507926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Steering Pad Switch Assembly 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
      z3-6 (SUP) - z3-7 (ECC) "+" shift paddle operated and held (up-shift) Below 2.5 Ω
      z3-6 (SUP) - z3-7 (ECC) "+" shift paddle not operated (up-shift) 1 MΩ or higher
      z3-12 (SDN) - z3-7 (ECC) "-" shift paddle operated and held (down-shift) Below 2.5 Ω
      z3-12 (SDN) - z3-7 (ECC) "-" shift paddle not operated (down-shift) 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  6

  6. INSPECT SPIRAL CABLE SUB-ASSEMBLY 
    1. Inspect the spiral cable sub-assembly.

      Refer to INSPECTION [10/2014 - 09/2017]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2014 - 09/2017] 

    Result: 

    NG 

    REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

  7. INSPECT SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY) 
    1. Remove the shift paddle switch LH.
      GTY518345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Paddle Switch LH

      Refer to REMOVAL [10/2014 - 09/2017]

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      SDN - ECC "-" shift paddle operated and held (down-shift) Below 2.5 Ω
      SDN - ECC "-" shift paddle not operated (down-shift) 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    OK 

    See step  8

  8. INSPECT SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY) 
    1. Remove the shift paddle switch RH.
      GTY507991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Shift Paddle Switch RH

      Refer to REMOVAL [10/2014 - 09/2017]

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      SUP - ECC "+" shift paddle operated and held (up-shift) Below 2.5 Ω
      SUP - ECC "+" shift paddle not operated (up-shift) 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    OK 

    See step  9

  9. INSPECT NO. 1 SWITCH WIRE 
    1. Disconnect the No. 1 switch wire connector.
      GTY511435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a No. 1 switch wire
      (to Steering Pad Switch Assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      z7-2 (SDN) - z7-3 (ECC) "-" shift paddle operated and held (down-shift) Below 2.5 Ω
      z7-2 (SDN) - z7-3 (ECC) "-" shift paddle not operated (down-shift) 1 MΩ or higher
      z7-1 (SUP) - z7-3 (ECC) "+" shift paddle operated and held (up-shift) Below 2.5 Ω
      z7-1 (SUP) - z7-3 (ECC) "+" shift paddle not operated (up-shift) 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPLACE NO. 1 SWITCH WIRE. Refer to  REMOVAL [10/2014 - 09/2017] 

  10. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM) 
    1. Disconnect the I4 spiral cable sub-assembly connector.

      Refer to REMOVAL [10/2014 - 09/2017]

    2. Disconnect the A35 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I4-2 (ECC) - A35-41 (ECCS) Always Below 1 Ω
      I4-2 (ECC) or A35-41 (ECCS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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