Throttle Body: Testing and Inspection

INSPECTION
1. Clean all components. The following components must not be cleaned by immersion in cleaning solvents. The insulation of these components will be damaged if they are immersed in cleaning solvent. They should be cleaned by using a piece of cloth.
- Throttle position sensor
- SC motor assembly
- Idle position switch
2. Check for restriction of the vacuum port or passage. Clean the vacuum passage by using compressed air.

CAUTION: The throttle valve plate must not be removed. When loosening a phillips screw firmly tightened, use an exact phillips screwdriver for the screw.