LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> RC 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Automatic Transmission System (2GR-FKS,Aa81E) - Diagnostic Codes (1 Of 4)) >> AUTOMATIC TRANSMISSION SYSTEM (for 2GR-FKS) >> DTC P0705-13: Transmission Range Sensor "A" Circuit Open; DTC P0705-62: Transmission Range Sensor "A" Signal Compare Failure [11/2017 - ] >> Procedure

DTC P0705-13: Transmission Range Sensor "A" Circuit Open; DTC P0705-62: Transmission Range Sensor "A" Signal Compare Failure [11/2017 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2024 Lexus RC 350, 2023 Lexus RC 350, 2022 Lexus RC 350, 2021 Lexus RC 350, and 2020 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (BATTERY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) 
    1. Disconnect the F57 park/neutral position switch assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F57-2 (RB) - Body ground Engine switch on (IG) 11 to 14 V
      F57-2 (RB) - Body ground Engine switch off Below 1 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE) 
    1. Disconnect the F57 park/neutral position switch assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F57-4 (B) - Body ground Engine switch on (IG) 11 to 14 V
      F57-4 (B) - Body ground Engine switch off Below 1 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  3

  3. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    1. Disconnect the F57 park/neutral position switch assembly connector.
      GTY618818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Park/Neutral Position Switch Assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4 (B) - 5 (L) Shift lever in P or N Below 1 Ω
      2 (RB) - 6 (PL) Shift lever in P Below 1 Ω
      2 (RB) - 1 (RL) Shift lever in R Below 1 Ω
      2 (RB) - 9 (NL) Shift lever in N Below 1 Ω
      2 (RB) - 7 (DL) Shift lever in D, M, "+" or "-" Below 1 Ω
      4 (B) - 5 (L) Shift lever not in P or N 10 kΩ or higher
      2 (RB) - 6 (PL) Shift lever not in P 10 kΩ or higher
      2 (RB) - 1 (RL) Shift lever not in R 10 kΩ or higher
      2 (RB) - 9 (NL) Shift lever not in N 10 kΩ or higher
      2 (RB) - 7 (DL) Shift lever not in D, M, "+" or "-" 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to  COMPONENTS [09/2014 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM) 
    1. Disconnect the F87 ECM connector.
    2. Turn the engine switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F87-108 (P) - Body ground
      • Engine switch on (IG)
      • Shift lever in P
      		 11 to 14 V
      F87-107 (R) - Body ground
      • Engine switch on (IG)
      • Shift lever in R
      		 11 to 14 V*
      F87-140 (N) - Body ground
      • Engine switch on (IG)
      • Shift lever in N
      		 11 to 14 V
      F87-139 (D) - Body ground
      • Engine switch on (IG)
      • Shift lever in D, M, "+" or "-"
      		 11 to 14 V
      F87-108 (P) - Body ground
      • Engine switch on (IG)
      • Shift lever not in P
      		 Below 1 V
      F87-107 (R) - Body ground
      • Engine switch on (IG)
      • Shift lever not in R
      		 Below 1 V
      F87-140 (N) - Body ground
      • Engine switch on (IG)
      • Shift lever not in N
      		 Below 1 V
      F87-139 (D) - Body ground
      • Engine switch on (IG)
      • Shift lever not in D, M, "+" or "-"
      		 Below 1 V

      HINT: 

      *: The voltage will drop slightly due to the back up light turning on.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE ECM 
    1. Replace the ECM.

      Refer to COMPONENTS [11/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [11/2017 - ] 

  6. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM) 
    1. Disconnect the F57 park/neutral position switch assembly connector.
    2. Disconnect the F87 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F57-4 (B) - F87-106 (NSW) Always Below 1 Ω
      F57-4 (B) or F87-106 (NSW) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. REPLACE ECM 
    1. Replace the ECM.

      Refer to COMPONENTS [11/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [11/2017 - ] 

scientia non olet · About LEMON Manuals