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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Automatic Transmission (Ab60E) - Diagnostic Codes (1 Of 2)) >> Automatic Transmission System >> DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) [08/2017 - 08/2019] >> Procedure

DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) [08/2017 - 08/2019]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    1. Disconnect the D21 park/neutral position switch connector.
      GTY744436Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

    Result: 

    NG 

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 

    Refer to:REMOVAL [08/2015 - ]

    Result: 

    OK 

    See step  2

  2. INSPECT TRANSMISSION CONTROL SWITCH 
    1. Disconnect the H31 transmission control switch connector.
      GTY610257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 (IG) - 7 (S) Shift lever in S, "+" and "-" Below 1 Ω
      3 (IG) - 7 (S) Shift lever not in S, "+" and "-" 10 kΩ or higher

    Result: 

    NG 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (TRANSMISSION CONTROL SWITCH) 

    Refer to:REMOVAL [08/2015 - ]

    Result: 

    OK 

    See step  3

  3. CHECK PARK/NEUTRAL POSITION SWITCH ASSEMBLY (POWER SOURCE) 
    1. Disconnect the D21 park/neutral position switch connector.
      GTY764791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      D21-2 (RB) - Body ground Ignition switch ON 11 to 14 V
      D21-2 (RB) - Body ground Ignition switch off Below 1 V

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH - IGNITION SWITCH) 

    Result: 

    OK 

    See step  4

  4. CHECK TRANSMISSION CONTROL SWITCH (POWER SOURCE) 
    1. Disconnect the H31 transmission control switch connector.
      GTY602835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      H31-3 (IG) - Body ground Ignition switch ON 11 to 14 V
      H31-3 (IG) - Body ground Ignition switch off Below 1 V

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION CONTROL SWITCH - IGNITION SWITCH) 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM) 
    1. Disconnect the D56 ECM connector.
      GTY769358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      • D56-27 (P) - Body ground
      • D56-48 (NSW) - Body ground
      • Ignition switch ON
      • Shift lever in P
      		 11 to 14 V
      D56-26 (R) - Body ground
      • Ignition switch ON
      • Shift lever in R
      		 11 to 14 V*
      • D56-50 (N) - Body ground
      • D56-48 (NSW) - Body ground
      • Ignition switch ON
      • Shift lever in N
      		 11 to 14 V
      D56-49 (D) - Body ground
      • Ignition switch ON
      • Shift lever in D
      		 11 to 14 V
      • D56-27 (P) - Body ground
      • D56-48 (NSW) - Body ground
      • Ignition switch ON
      • Shift lever not in P
      		 Below 1 V
      D56-26 (R) - Body ground
      • Ignition switch ON
      • Shift lever not in R
      		 Below 1 V
      • D56-50 (N) - Body ground
      • D56-48 (NSW) - Body ground
      • Ignition switch ON
      • Shift lever not in N
      		 Below 1 V
      D56-49 (D) - Body ground
      • Ignition switch ON
      • Shift lever not in D
      		 Below 1 V

      HINT: 

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

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM) 
    1. Disconnect the A27 ECM connector.
      GTY744602Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch to ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A27-27 (S) - Body ground Shift lever in S, "+" and "-" 11 to 14 V
      A27-27 (S) - Body ground Shift lever not in S, "+" and "-" Below 1 V

    Result: 

    OK 

    REPLACE ECM 

    Refer to:REMOVAL [08/2015 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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