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Home >> Lexus >> 2021 >> RX 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 7) >> SFI System >> DTC P0705-13: Transmission Range Sensor "A" Circuit Open; DTC P0705-62: Transmission Range Sensor "A" Signal Compare Failure [09/2015 - 08/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:

Inspect the fuses for circuits related to this system before performing the following procedure.

HINT: 

Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

  1. DATA LIST 
    NOTE:

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    1. Warm up the engine.
    2. Turn the engine switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the engine switch on (IG).
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / Engine / Data List / Shift SW Status (P Range), Shift SW Status (R Range), Shift SW Status (N Range), Shift SW Status (S Range) and Shift SW Status (D Range).

      Powertrain > Engine > Data List 

      Tester Display
      Shift SW Status (P Range)
      Shift SW Status (R Range)
      Shift SW Status (N Range)
      Shift SW Status (S Range)
      Shift SW Status (D Range)
    7. Read the values displayed on the Techstream.
      Techstream Display Measurement Item/Range Normal Condition Diagnostic Note
      Shift SW Status (P Range) Park/Neutral position switch assembly status:
      ON or OFF
      • ON: Shift lever in P
      • OFF: Shift lever not in P
      		 -
      Shift SW Status (R Range) Park/Neutral position switch assembly status:
      ON or OFF
      • ON: Shift lever in R
      • OFF: Shift lever not in R
      		 -
      Shift SW Status (N Range) Park/Neutral position switch assembly status:
      ON or OFF
      • ON: Shift lever in N
      • OFF: Shift lever not in N
      		 -
      Shift SW Status (S Range) Transmission control switch status:
      ON or OFF
      • ON: Shift lever in S*1 or M*2
      • OFF: Shift lever not in S*1 or M*2
      		 -
      Shift SW Status (D Range) Park/Neutral position switch assembly status:
      ON or OFF
      • ON: Shift lever in D or S*1 or M*2
      • OFF: Shift lever not in D or S*1 or M*2
      		 -

      HINT: 

      *1: w/o Shift Paddle Switch

      *2: w/ Shift Paddle Switch

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