2002 · ENGINE AND EMISSION CONTROL [17] · страница 4 из 8 · Открыть оригинал PDF ↗
FUNCTIONCHECK
1.Starttheengineandwarmitupuntiltheenginecoolant
temperaturereaches65_Corabove.
2.Racetheenginebysuddenlydepressingtheaccelerator
pedal,thencheckthattheEGRvalvediaphragmlifts.
EGRSOLENOIDVALVEOPERATIONCHECK
1.RemoveEGRsolenoidvalveNos.1and2connectors
andvacuumhoses.
2.Attach a vacuum pump to each nipple of the EGR solenoid
valveNos.1and2andconnecteachconnectorofEGR
solenoidvalvetobatteryandapplynegativepressure.
Checkthatthevalvesareairtightbothwhenvoltageis
appliedtoeachterminaloftheEGRsolenoidvalveNos.
1and2andwhenitisnotapplied.
EGRsolenoidvalveNo.1
| Battery voltage | Normal condition |
|---|---|
| When current is flowing | Vacuum leaks (Vacuum is maintained when nipple B is plugged) |
| When current is not flowing | Vacuum is maintained |
Таблица в оригинале
Оригинальная страница руководства
