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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Hybrid Control System (For Nickel Metal Hydride Battery) - Circuit Tests (2 Of 2)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> Shift Paddle Switch Circuit [06/2018 - ] >> Procedure

Shift Paddle Switch Circuit [06/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ VALUE USING TECHSTREAM (SPORTS SHIFT UP SIGNAL, SPORTS SHIFT DOWN SIGNAL) 
    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 Shift UP Signal, Sports Shift DOWN Signal.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Sports Shift UP Signal
      Sports Shift DOWN Signal
    4. Read the values displayed on the Techstream.

      Result

      Result Proceed to
      The Techstream display changes according to the shift paddle switch (transmission shift switch assembly) operation A
      The Techstream display does not change according to the shift paddle switch (transmission shift switch assembly) operation B
    5. Turn the power switch off.

    Result: 

    A 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [06/2018 - ] 

    Result: 

    B 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (SHIFT PADDLE SWITCH CIRCUIT) 
    1. Disconnect the G60 hybrid vehicle control ECU connector.
    2. Disconnect the G26 transmission control switch (shift lock control unit assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G60-9 (SFTU) - Body ground Shift paddle switch RH (+) operated 3 Ω or less
      G60-8 (SFTD) - Body ground Shift paddle switch LH (-) operated 3 Ω or less
      G60-9 (SFTU) - Body ground Shift paddle switch RH (+) not operated 10 kΩ or higher
      G60-8 (SFTD) - Body ground Shift paddle switch LH (-) not operated 10 kΩ or higher
      GTY817025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
    4. Reconnect the G26 transmission control switch (shift lock control unit assembly) connector.
    5. Reconnect the G60 hybrid vehicle control ECU connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND) 
    1. Disconnect the G20 spiral cable sub-assembly connector.
      GTY790835Courtesy 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 (Open)

      Tester Connection Condition Specified Condition
      G20-2 (ECC) - Body ground Always Below 1 Ω
    3. Reconnect the G20 spiral cable sub-assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the G60 hybrid vehicle control ECU connector.
    2. Disconnect the G20 spiral cable sub-assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G60-9 (SFTU) - G20-8 (SUP) Always Below 1 Ω
      G60-8 (SFTD) - G20-1 (SDN) Always Below 1 Ω
      G60-9 (SFTU) or G20-8 (SUP) - Body ground Always 10 kΩ or higher
      G60-8 (SFTD) or G20-1 (SDN)- Body ground Always 10 kΩ or higher
      GTY781799Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
      *b Front view of wire harness connector
      (to Spiral Cable Sub-assembly)
    4. Reconnect the G20 spiral cable sub-assembly connector.
    5. Reconnect the G60 hybrid vehicle control ECU connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

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

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY) 
    1. Inspect the shift paddle switch LH (transmission shift switch assembly).

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  7

  7. INSPECT SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY) 
    1. Inspect the shift paddle switch RH (transmission shift switch assembly).

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    OK 

    See step  8

  8. INSPECT NO. 1 SWITCH WIRE 
    1. Disconnect the z5 No. 1 switch wire connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      z5-2 (SUP) - z5-3 (ECC) "+" (Up shift) shift paddle switch operated and held Below 1 Ω
      "+" (Up shift) shift paddle switch not operated 10 kΩ or higher
      z5-4 (SDN) - z5-3 (ECC) "-" (Down shift) shift paddle switch operated and held Below 1 Ω
      "-" (Down shift) shift paddle switch not operated 10 kΩ or higher
      GTY781267Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Spiral Cable Sub-assembly)
    3. Reconnect the z5 No. 1 switch wire connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [06/2018 - ] 

    Result: 

    NG 

    REPLACE NO. 1 SWITCH WIRE. Refer to  PROCEDURE - Step 4 [06/2018 - 08/2021]  , or refer to  PROCEDURE - Step 4 [08/2021 - 09/2022]  , or refer to  PROCEDURE - Step 4 [09/2022 - ] 

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