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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (1 Of 6) & Circuit Tests (Hybrid) >> Hybrid Control System >> Circuit Tests >> Transmission Control Switch Circuit [11/2016 - ] >> Procedure

Transmission Control Switch Circuit [11/2016 - ]: 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.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Sports Mode
    4. Read the value displayed on the Techstream.

      Powertrain > Hybrid Control > Data List 

      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 position: OFF
      Result Proceed to
      The Techstream display changes according to the shift lever operation. A
      The Techstream display does not change according to the shift lever operation. B
    5. Turn the power switch off.

    Result: 

    B 

    See step  4

    Result: 

    A 

    Go to next step 

  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.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Sport Up Shift Sens State
      Sport Dwn Shift Sens State
    4. Read the value displayed on the Techstream.

      Powertrain > Hybrid Control > Data List 

      Tester Display Measurement Item Range Normal Condition
      Sport Up Shift Sens State Operation of "+" transmission control switch. ON or OFF Shift lever held in "+" operated: ON
      Shift lever in S: OFF
      Sport Dwn Shift Sens State Operation of "-" transmission control switch. ON or OFF Shift lever held in "-" operated: ON
      Shift lever in S: OFF
      Result Proceed to
      The Techstream display changes according to the transmission control switch (transmission floor shift assembly) operation. A
      The Techstream display does not change according to the transmission control switch (transmission floor shift assembly) operation. B
    5. Turn the power switch off.

    Result: 

    B 

    See step  7

    Result: 

    A 

    Go to next step 

  3. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [02/2014 - ] .

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY.  Refer to COMPONENTS [11/2016 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  4. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the F46 transmission control switch (transmission floor shift assembly) connector.

      Refer to REMOVAL [02/2014 - ]

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

      Standard Voltage

      Tester Connection Condition Specified Condition
      F46-3 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      GTY720493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Transmission Control Switch (transmission floor shift assembly))
    3. Turn the power switch off.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F46-5 (E) - Body ground Power switch off Below 1 Ω
    5. Reconnect the F46 transmission control switch (transmission floor shift assembly) connector.
      Proceed to
      OK
      NG

    Result: 

    NG 

    CHECK POWER SOURCE CIRCUIT 

    Result: 

    OK 

    Go to next step 

  5. INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Disconnect the F46 transmission control switch (transmission floor shift assembly) connector.
    2. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F46-3 (IG) - F46-7 (S) Shift lever in S
      Shift lever held in "+" or "-"      		 Below 1 Ω
      Shift lever in any position except S 10 kΩ or higher
      F46-2 (SFTU) - F46-5 (E) Shift lever held in "+" Below 1 Ω
      Shift lever in S 10 kΩ or higher
      F46-1 (SFTD) - F46-5 (E) Shift lever held in "-" Below 1 Ω
      Shift lever in S 10 kΩ or higher
      GTY702946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Transmission Control Switch (Transmission Floor Shift Assembly))
    3. Reconnect the F46 transmission control switch (transmission floor shift assembly) connector.
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY).  Refer to COMPONENTS [02/2014 - ] .

    Result: 

    OK 

    Go to next step 

  6. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)) 
    1. Disconnect the F137 hybrid vehicle control ECU assembly connector.
      GTY722628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F137-1 (M) - Body ground Power switch on (IG) S, "+" and "-" 11 to 14 V
      Power switch on (IG) Except S, "+" and "-" 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.

    4. Turn the power switch off.
    5. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F137-9 (SFTU) - Body ground Shift lever in S
      Shift lever held in "+"      		 Below 1 Ω
      Shift lever in S 10 kΩ or higher
      F137-8 (SFTD) - Body ground Shift lever in S
      Shift lever held in "-"      		 Below 1 Ω
      Shift lever in S 10 kΩ or higher
    6. Reconnect the F137 hybrid vehicle control ECU assembly connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY.  Refer to COMPONENTS [11/2016 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  7. INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Disconnect the F46 transmission control switch (transmission floor shift assembly) connector.

      Refer to REMOVAL [02/2014 - ] .

    2. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F46-2 (SFTU) - F46-5 (E) Shift lever held in "+" Below 1 Ω
      Shift lever in S 10 kΩ or higher
      F46-1 (SFTD) - F46-5 (E) Shift lever held in "-" Below 1 Ω
      Shift lever in S 10 kΩ or higher
      GTY702947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Transmission Control Switch (Transmission Floor Shift Assembly))
    3. Reconnect the F46 transmission control switch (transmission floor shift assembly) connector.
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY).  Refer to COMPONENTS [02/2014 - ] .

    Result: 

    OK 

    Go to next step 

  8. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the F137 hybrid vehicle control ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F137-9 (SFTU) - Body ground Shift lever in S
      Shift lever held in "+"      		 Below 1 Ω
      Shift lever in S 10 kΩ or higher
      F137-8 (SFTD) - Body ground Shift lever in S
      Shift lever held in "-"      		 Below 1 Ω
      Shift lever in S 10 kΩ or higher
      GTY722629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
    3. Reconnect the F137 hybrid vehicle control ECU assembly connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY.  Refer to COMPONENTS [11/2016 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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