Throttle Body On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Check that throttle valve lever moves smoothly.
Perform the following checks.
1. Measure plunger (1) protrusion "a" of fast idle control arm (2) at engine coolant temperature is 25°C (77°F).
  Plunger protrusion
  
  "a": 26.6 - 27.4 mm (1.047 - 1.079 in.)
  
  Fig 1: Measuring Plunger Protrusion
  Courtesy of SUZUKI OF AMERICA CORP.
2. Warm up engine and check to make sure that fast control cam is off cam follower lever (1) at engine coolant temp. is 52 - 68°C (126 - 154°F).
  If check result in Step A or B is out of specification, replace throttle body assembly referring to THROTTLE BODY REMOVAL & INSTALLATION (H25 ENGINE) .
Fig 2: Checking To Make Sure That Fast Control Cam Is Off Cam Follower Lever
Courtesy of SUZUKI OF AMERICA CORP.