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Home >> Lexus >> 2017 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (1 Of 4) >> SFI System >> Precaution [08/2015 - 08/2019] >> Precaution [08/2015 - 08/2019]

Precaution [08/2015 - 08/2019]

  1. WHEN USING TECHSTREAM 
    WARNING:

    Observe the following items for safety reasons:

    • Read the Techstream instruction books before using the Techstream.
    • Make sure that the Techstream cable is not caught on the pedals, shift lever and steering wheel when driving with the Techstream connected to the vehicle.
    • When driving the vehicle for testing purposes while using the Techstream, 2 persons are required. One person drives the vehicle and the other operates the Techstream.
  2. INITIALIZATION 
    NOTE:
    • Perform Reset Memory (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM (Refer to INITIALIZATION [08/2015 - ] ).
    • Perform Dynamic Laser Cruise Control System initialization after replacing the ECM (Refer to INITIALIZATION [08/2015 - 08/2019] ).
    • Perform Registration (VIN registration) when replacing the ECM (Refer to REGISTRATION [08/2015 - ] ).
    • Perform initialization (throttle position) after replacing the throttle body assembly or cleaning any throttle body components (Refer to PROCEDURE - Step 8 ).

      HINT: 

      The engine learned value cannot be reset by disconnecting the battery negative (-) terminal or removing the EFI and ETCS fuses.