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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0365-P1605)) >> SFI System >> DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) >> Procedure

DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input): Procedure

  1. READ VALUE USING TECHSTREAM (NEUTRAL POSITION SW SIGNAL AND SHIFT SW STATUS) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Data List / AT / Neutral Position SW Signal and Shift SW Status (R, P, N and D Range).
    5. Read the values displayed on the Techstream.
      OK

      Techstream Display Shift Lever Position Specified Condition
      Neutral Position SW Signal P or N ON
      Except P or N OFF
      Shift SW Status (R Range) R ON
      Except R OFF
      Shift SW Status (P Range) P ON
      Except P OFF
      Shift SW Status (N Range) N ON
      Except N OFF
      Shift SW Status (D Range) D or S ON
      Except D or S OFF

    NG → See step   5 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (SPORTS MODE SELECTION SW) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Data List / AT / Sports Mode Selection SW.
    5. Read the values displayed on the Techstream.

      OK

      Techstream Display Shift Lever Position Specified Condition
      Sports Mode Selection SW S ON
      Except S OFF

    NG → See step   3 

    OK → See step   10 

  3. INSPECT LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH) 
    1. Inspect the transmission control switch. Refer to INSPECTION [06/2012 - ] - Step 2 .

    NG → See step   8 

    OK: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (ECM - TRANSMISSION CONTROL SWITCH) 
    1. Disconnect the ECM connector.
      GTY397664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the engine switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Shift Lever Position Condition Specified Condition
      A22-37 (S) - Body ground S, "+" or "-" Engine switch on (IG) 11 to 14 V
      Not in S Engine switch on (IG) 0 to 1.5 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to ECM)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   11 

  5. CHECK TERMINAL VOLTAGE (POWER SOURCE OF PARK/NEUTRAL POSITION SWITCH ASSEMBLY) 
    1. Disconnect the park/neutral position switch assembly connector.
      GTY412220Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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
      D5-1 (RB) - Body ground Engine switch on (IG) 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Park/Neutral Position Switch Assembly)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - BATTERY) 

    OK: Go to next step 

  6. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY 
    1. Inspect the park/neutral position switch assembly. Refer to INSPECTION [06/2012 - ] .

    NG → See step   9 

    OK: Go to next step 

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      D5-7 (DL) - D23-69 (D) Always Below 1 Ω
      D5-8 (NL) - D23-71 (N) Always Below 1 Ω
      D5-2 (RL) - D23-68 (R) Always Below 1 Ω
      D5-3 (PL) - D23-70 (P) Always Below 1 Ω
      D5-4 (B) - D23-65 (NSW) Always Below 1 Ω
      D5-7 (DL) or D23-69 (D) - Body ground Always 10 kΩ or higher
      D5-8 (NL) or D23-71 (N) - Body ground Always 10 kΩ or higher
      D5-2 (RL) or D23-68 (R) - Body ground Always 10 kΩ or higher
      D5-3 (PL) or D23-70 (P) - Body ground Always 10 kΩ or higher
      D5-4 (B) or D23-65 (NSW) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   11 

  8. REPLACE LOWER SHIFT LEVER ASSEMBLY (TRANSMISSION CONTROL SWITCH). Refer to  REMOVAL [06/2012 - ] 
  9. REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to  REMOVAL [06/2012 - ] 
  10. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [06/2012 - ] 
  11. REPLACE ECM. Refer to  REMOVAL [06/2012 - ]