Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2009 >> Highlander Base, 2.7 A >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (1AR-FE) - Circuit Testing, Component Inspection, Removal & Installation >> Throttle Body >> Inspection

Throttle Body: Inspection

  1. INSPECT THROTTLE BODY ASSEMBLY 
    1. Check that the throttle valve opens and closes smoothly.
    2. Check that there is no sludge accumulating around the throttle body.
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      1 (M-) - 2 (M+) 20°C (68°F) 0.3 to 100 Ω

      If the result is not as specified, replace the throttle body assembly.

      Fig 1: Identifying Throttle Body Assembly
      G06111272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002