LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Hybrid Control System (Diagnostic Codes (5 Of 5) & Circuit Tests)) >> Hybrid Control System >> Pattern Select Switch Sport Mode Circuit [07/2022 - ] >> Procedure

Pattern Select Switch Sport Mode Circuit [07/2022 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ VALUE USING TECHSTREAM (CAN BUS CHECK) 

    See step  2

    Result

    Result Proceed to
    All of the ECUs and sensors that are currently connected to the CAN communication system are displayed. A
    None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed. B

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

    Result: 

    A 

    See step  2

  2. CHECK DTC OUTPUT (HEALTH CHECK) 

    See step  3

    Result

    Result Proceed to
    No DTCs are output. A
    DTCs are output. B

    Result: 

    B 

    GO TO DTC CHART Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2018 - ] 

    Result: 

    A 

    See step  3

  3. READ VALUE USING TECHSTREAM (SPORT MODE SWITCH, NORMAL MODE SWITCH) 
    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 Mode Switch, Normal Mode Switch.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Sport Mode Switch
      Normal Mode Switch
    4. Read the value displayed on the Techstream.

      Powertrain > Hybrid Control > Data List 

      Tester Display Measurement Item Range Normal Condition
      Sport Mode Switch SPORT mode switch condition ON or OFF SPORT mode switch being pushed and held:
      ON
      SPORT mode switch not operated:
      OFF
      Normal Mode Switch NORMAL mode switch condition ON or OFF NORMAL mode switch being pushed and held:
      ON
      NORMAL mode switch not operated:
      OFF

      Result

      Result Proceed to
      The Techstream display changes according to the electric parking brake switch assembly operation. A
      The Techstream display does not change according to the electric parking brake switch assembly operation. B
    5. Turn the power switch off.

    Result: 

    A 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [07/2022 - ] 

    Result: 

    B 

    See step  4

  4. INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) (SPORT MODE, NORMAL MODE) 

    Refer to INSPECTION [10/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY). Refer to  REMOVAL [07/2022 - ] 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) - BODY GROUND) 
    1. Disconnect the F135 drive mode select switch (combination switch assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1132424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Drive Mode Select Switch (Combination Switch Assembly))

      Standard Resistance

      Tester Connection Condition Specified Condition
      F135-7 (GND) - Body ground Always Below 1 Ω
    3. Reconnect the F135 drive mode select switch (combination switch assembly) connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY)) 
    1. Disconnect the F59 hybrid vehicle control ECU connectors.
    2. Disconnect the F135 drive mode select switch (combination switch assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition SSPSWecified Condition
      F59-37 (SPRT) - F135-3 (SPSW) Always Below 1 Ω
      F59-37 (SPRT) or F135-3 (SPSW) - Body ground Always 10 kΩ or higher
      F59-38 (NORM) - F135-2 (NORM) Always Below 1 Ω
      F59-38 (NORM) or F135-2 (NORM) - Body ground Always 10 kΩ or higher
      GTY1131553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to hybrid vehicle control ECU)
      *b Front view of wire harness connector
      (to Drive Mode Select Switch (Combination Switch Assembly))
    4. Reconnect the F135 drive mode select switch (combination switch assembly) connector.
    5. Reconnect the F59 hybrid vehicle control ECU connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

scientia non olet · About LEMON Manuals