Esteem GLX Wagon L4-1.8L (1999)
Exhaust Gas Recirculation: Testing and Inspection
System Inspection (Using SUZUKI scan tool)
1. Connect SUZUKI scan tool to data link connector (DLC) with ignition switch OFF
NOTE: For operation procedure of cartridge, refer to its cartridge operator's manual.
2. Start engine and warm up it to normal operating temperature.
3. With engine idling (without depressing accelerator pedal), open EGR valve using "MISC. TEST" mode.
In this state, according as EGR valve opening increases engine idle speed drops. If not, possible cause is clogged EGR gas passage, stuck or faulty
EGR valve.
Inspection
1. Check resistance between the following terminals of EGR valve in each pair.
If found faulty replace EGR valve assembly.
