CHECK POWER SUPPLY OF EGR VALVE.

1) Disconnect the connector from EGR valve.

2) Turn the ignition switch to ON.

3) Measure the voltage between EGR valve connector and engine ground.

Connector & terminal

(E18) No. 2 (+) — Engine ground (−):

(E18) No. 5 (+) — Engine ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the open circuit of harness between main relay and EGR valve connector.