Throttle Body: Inspection

2005 Toyota ECHO 2D Sedan, StandardSECTION Inspection
  1. INSPECT THROTTLE VALVE 

    Check that there is no clearance between the throttle stop screw and throttle lever when the closed throttle position.

    Fig 1: Inspecting Throttle Valve
    G02574983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT THROTTLE POSITION SENSOR 

    Using an ohmmeter, measure the resistance between each terminal.

    TERMINALS RESISTANCE CHART

    Clearance between lever and stop screw Between terminals Resistance
    0 mm (0 in.) VTA - E2 0.2 - 5.7 kΩ
    Throttle valve fully open VTA - E2 2.0 - 10.2 kΩ
    Always VC - E2 2.5 - 5.9 kΩ
    Fig 2: Measuring Resistance Between Each Terminal
    G02574984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.