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Transmission Control Switch Circuit [10/2015 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (SPORTS MODE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Sports Mode.
    4. Read the value displayed on the Techstream.

      Result

      Tester Display Measurement Item/Range Normal Condition
      Sports Mode Sports shift signal
      ON or OFF      		 Shift lever in S: ON
      Shift lever not in S: OFF
    5. Turn the power switch off.

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM (SPORT UP SHIFT SENS STATE, SPORT DWN SHIFT SENS STATE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Sport Up Shift Sens State, Sport Dwn Shift Sens State.
    4. Read the value displayed on the Techstream.

      Result

      Tester Display Measurement Item/Range Normal Condition
      Sport Up Shift Sens State Sports shift UP signal /
      ON or OFF      		 Shift lever in S and held toward +:
      ON
      Sport Dwn Shift Sens State Sport shift DOWN signal /
      ON or OFF      		 Shift lever in S and held toward -:
      ON
    5. Turn the power switch off.

    Result: 

    NG 

    See step  4

    Result: 

    OK 

    See step  3

  3. CHECK FOR INTERMITTENT PROBLEMS 
    1. Check for intermittent problems.
      1. Move the shift lever to S and jiggle the harness and connector.
      2. With the shift lever held toward "+" and then "-", jiggle the harness and connector.

      Result

      Result Proceed to
      Malfunction does not occur A
      Malfunction occurs B

    Result: 

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Result: 

    B 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  4. INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) 
    1. Disconnect the D31 lower shift lever assembly (transmission control switch) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY364460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lower Shift Lever Assembly (Transmission Control Switch))

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 (SFTU)- 2 (E) Shift lever in positive (+) Below 1 Ω
      3 (SFTU)- 2 (E) Shift lever in S 10 kΩ or higher
      1 (SFTD) - 2 (E)
      1 (SFTD) - 2 (E) Shift lever in negative (-) Below 1 Ω
    3. Reconnect the D31 lower shift lever assembly (transmission control switch) connector.

    Result: 

    NG 

    REPLACE LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) 

    (Refer to COMPONENTS [10/2014 - ] )

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the D136 hybrid vehicle control ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY556611Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D136-9 (SFTU) - Body ground Shift lever in positive (+) Below 1 Ω
      D136-9 (SFTU) - Body ground
      D136-8 (SFTD) - Body ground      		 Shift lever in S 10 kΩ or higher
      D136-8 (SFTD) - Body ground Shift lever in negative (-) Below 1 Ω
    3. Reconnect the D136 hybrid vehicle control ECU assembly connector.

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the D31 lower shift lever assembly (transmission control switch) connector.
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.
      GTY550323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Lower Shift Lever Assembly (Transmission Control Switch))

      Standard Voltage

      Tester Connection Condition Specified Condition
      D31-4 (IG) - D31-2 (E) Power switch on (IG) 11 to 14 V
    4. Turn the power switch off.
    5. Reconnect the D31 lower shift lever assembly (transmission control switch) connector.

    Result: 

    NG 

    CHECK POWER SOURCE CIRCUIT 

    Result: 

    OK 

    See step  7

  7. INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) 
    1. Disconnect the D31 lower shift lever assembly (transmission control switch) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY364461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lower Shift Lever Assembly (Transmission Control Switch))

      Standard Resistance

      Tester Connection Condition Specified Condition
      4 (IG) - 5 (S) Shift lever not in S 10 kΩ or higher
      Shift lever in S Below 1 Ω
    3. Reconnect the D31 lower shift lever assembly (transmission control switch) connector.

    Result: 

    NG 

    REPLACE LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) 

    (Refer to COMPONENTS [10/2014 - ] )

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the D136 hybrid vehicle control ECU assembly connector.
    2. Disconnect the D31 lower shift lever assembly (transmission transmission control switch) connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY578093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Front view of wire harness connector
      (to Lower Shift Lever Assembly (Transmission Control Switch))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D136-1 (M) - D31-5 (S) Power switch off Below 1 Ω
    4. Turn the power switch on (IG).
    5. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      D136-1 (M) or D31-5 (S) - Body ground Power switch on (IG) Below 1 V
      NOTE:

      If the power switch is turned on (IG) with the hybrid vehicle control ECU assembly connector disconnected, other DTCs will be stored. After performing the inspection, clear the DTCs.

    6. Turn the power switch off.
    7. Reconnect the D31 lower shift lever assembly (transmission control switch) connector.
    8. Reconnect the D136 hybrid vehicle control ECU assembly connector.

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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