Fuel Injector --, Checking: Notes

Includes: 

Cylinder 1 Fuel Injector -N30-

Cylinder 2 Fuel Injector -N31-

Cylinder 3 Fuel Injector -N32-

Cylinder 4 Fuel Injector -N33-

General Description 

The Fuel Injectors -- are controlled by the Engine Control Module -J623- and are mounted normally in the cylinder head. The fuel injectors spray high-pressure atomized fuel directly into the combustion chamber.

Special Tools And Workshop Equipment Required 

• Multimeter.
• Wiring Diagram.
• Scan Tool.
• LED Test Lamp.

Test Requirements 

• Fuses OK.
• Battery voltage OK.
• Switch OFF all electrical and electronic accessories.
• Vehicles with Auto. Transmission, ensure Selector Lever position is in "P".
• Vehicles with Man. Transmission, ensure Shifter Lever position is in "N" with Parking Brake applied.
• Observe all safety precautions: SAFETY PRECAUTIONS .
• View clean working conditions: CLEAN WORKING CONDITIONS .
• For Hybrid vehicles refer to: HIGH VOLTAGE SYSTEM GENERAL WARNINGS .