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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Hybrid Control System (Diagnostic Codes) (1 Of 5)) >> Hybrid Control System >> DTC P0705-62: Transmission Range Sensor "A" Circuit (PRNDL Input) Signal Compare Failure [10/2018 - ] >> Procedure

DTC P0705-62: Transmission Range Sensor "A" Circuit (PRNDL Input) Signal Compare Failure [10/2018 - ]: 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 (SHIFT POSITION SENSOR) 
    1. Connect the Techstream the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Shift Position Sensor (PNB), Shift Position Sensor (PR), Shift Position Sensor (DB1), Shift Position Sensor (DB2), Shift Position Sensor (N), Shift Position Sensor (R) and Shift Position Sensor (P).
    4. While slowly moving the shift lever from P to S, then back to P, read the Data List (Shift Position Sensor) displayed on the Techstream.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Shift Position Sensor (PNB)
      Shift Position Sensor (PR)
      Shift Position Sensor (DB1)
      Shift Position Sensor (DB2)
      Shift Position Sensor (N)
      Shift Position Sensor (R)
      Shift Position Sensor (P)

      HINT: 

      Be sure to move the shift lever slowly.

      Standard

      Data List Shift Position
      P R N D or S
      Shift Position Sensor (P) ON OFF OFF OFF
      Shift Position Sensor (R) OFF ON OFF OFF
      Shift Position Sensor (PR) ON ON OFF OFF
      Shift Position Sensor (N) OFF OFF ON OFF
      Shift Position Sensor (DB1) OFF OFF OFF ON
      Shift Position Sensor (DB2) OFF OFF OFF ON
      Shift Position Sensor (PNB) ON OFF ON OFF
    5. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      OK

      DTC P070562 is not output.

    6. Turn the power switch off.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  3

    Result: 

    OK 

    See step  2

  2. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2018 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  3. INSPECT SHIFT LEVER POSITION SENSOR 
    1. Turn the power switch on (IG).
    2. Measure the voltage according to the value(s) in the table below.
      GTY828924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Voltage

      Tester Connection Condition Specified Condition
      A46-28 (P) - Body ground Power switch on (IG)
      Shift lever in P      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except P      		 0 to 1.5 V
      A46-2 (R) - Body ground Power switch on (IG)
      Shift lever in R      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except R      		 0 to 1.5 V
      A46-16 (PR) - Body ground Power switch on (IG)
      Shift lever in P or R      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except P or R      		 0 to 1.5 V
      A46-29 (N) - Body ground Power switch on (IG)
      Shift lever in N      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except N      		 0 to 1.5 V
      A46-3 (DB1) - Body ground Power switch on (IG)
      Shift lever in D or S      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except D or S      		 0 to 1.5 V
      A46-15 (DB2) - Body ground Power switch on (IG)
      Shift lever in D or S      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except D or S      		 0 to 1.5 V
      A46-30 (PNB) - Body ground Power switch on (IG)
      Shift lever in P or N      		 6 to 14 V
      Power switch on (IG)
      Shift lever in any position except P or N      		 0 to 1.5 V
    3. Turn the power switch off.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the shift lever position sensor connector.
      GTY763955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      C27-7 (+B) - Body ground Power switch on (IG) 7.5 to 14 V
      GTY819658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Shift Lever Position Sensor)
      NOTE:

      Turning the power switch on (IG) with the shift lever position sensor connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    4. Turn the power switch off.
    5. Reconnect the shift lever position sensor connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  5

  5. INSPECT SHIFT LEVER POSITION SENSOR 
    1. Disconnect the C27 shift lever position sensor connector.
      GTY763955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.
      GTY753049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Shift Lever Position Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      7 (+B) - 3 (PR) Shift lever in P Below 1 Ω
      7 (+B) - 4 (PNB) Below 1 Ω
      7 (+B) - 8 (P) Below 1 Ω
      7 (+B) - 1 (DB1), 2 (N), 6 (DB2) and 9 (R) 10 kΩ or higher
      7 (+B) - 3 (PR) Shift lever in R Below 1 Ω
      7 (+B) - 9 (R) Below 1 Ω
      7 (+B) - 1 (DB1), 2 (N), 4 (PNB), 6 (DB2) and 8 (P) 10 kΩ or higher
      7 (+B) - 2 (N) Shift lever in N Below 1 Ω
      7 (+B) - 4 (PNB) Below 1 Ω
      7 (+B) - 1 (DB1), 3 (PR), 6 (DB2), 8 (P) and 9 (R) 10 kΩ or higher
      7 (+B) - 1 (DB1) Shift lever in D or S Below 1 Ω
      7 (+B) - 6 (DB2) Below 1 Ω
      7 (+B) - 2 (N), 3 (PR), 4 (PNB), 8 (P) and 9 (R) 10 kΩ or higher

      HINT: 

      Terminals No. 5 on the component side connector is empty.

    3. Reconnect the C27 shift lever position sensor connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    NG 

    REPLACE SHIFT LEVER POSITION SENSOR. Refer to  REMOVAL [10/2018 - ] 

  6. CHECK HARNESS AND CONNECTOR (SHIFT LEVER POSITION SENSOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the shift lever position sensor connector.
    2. Disconnect the hybrid vehicle control ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      C27-7 (+B) - A46-18 (PSFT) Power switch off Below 1 Ω
      C27-7 (+B) or A46-18 (PSFT) - Body ground and other terminals Power switch off 10 kΩ or higher
      GTY834951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Shift Lever Position Sensor)
      *b Front view of wire harness connector
      (to Hybrid Vehicle Control ECU)
    4. Reconnect the hybrid vehicle control ECU connector.
    5. Reconnect the shift lever position sensor connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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