LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Accelerator Pedal >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. INSPECT ACCELERATOR PEDAL POSITION SENSOR 
    1. Connect Techstream to the DLC3.
    2. Turn the ignition switch ON (IG).
    3. Turn the tester on.
    4. Enter the following menus-Select: Powertrain/Engine and ECT/Data List/Accelerator Position No. 1, Accelerator position No. 2.
    5. Operate the accelerator pedal, then check that the Accelerator position No. 1 and Accelerator position No. 2 values are within the specifications.

      Standard: 

      Accelerator position No. 1 

      ACCELERATOR PEDAL CONDITION

      Accelerator Pedal Condition Specified Condition
      Released 0.5 to 1.1 V
      Depressed 2.5 to 4.5 V

      Accelerator position No. 2 

      ACCELERATOR PEDAL CONDITION

      Accelerator Pedal Condition Specified Condition
      Released 1 2 to 2.0 V
      Depressed 3.4 to 5.3 V

      If the Techstream is not available, measure the voltage between the terminals (VPA - EPA, VPA2 - EPA2) of the ECM connector (See TERMINALS OF ECM  ).