EGR Control Solenoid: Description and Operation

NOTE
- When disconnecting the vacuum hose, place an identification mark on it for proper re-connection.

1. Disconnect the vacuum hose (yellow stripe, white stripe) from the solenoid valve.
2. Disconnect the harness connector.





3. Connect a hand vacuum pump to the nipple to which the white-striped vacuum hose was connected.





4. Check air tightness by applying a vacuum with Voltage applied directly from the battery to the EGR control solenoid valve and without applying Voltage.





5. Measure the resistance between the solenoid valve terminals

Standard value: 36 - 44 Ohms at 20° C (68° F)