CHECK HARNESS BETWEEN ECM AND EGR SOLENOID VALVE CONNECTOR.

1) Turn the ignition switch to OFF.

2) Measure the resistance between ECM and EGR solenoid valve connector.

Connector & terminal

DTC P1492; (B134) No. 12 — (E18) No. 6:

DTC P1494; (B134) No. 14 — (E18) No. 1:

DTC P1496; (B134) No. 13 — (E18) No. 4:

DTC P1498; (B134) No. 15 — (E18) No. 3:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit in harness between ECM and EGR solenoid valve connector

Poor contact of coupling connector