Measure the resistance of harness between ECM and oil flow control solenoid valve connector.
Connector & terminal
(B137) No. 17 — (E68) No. 1:
(B137) No. 16 — (E68) No. 2:
Is the resistance less than 1 Ω?
Repair the harness and connector.
NOTE:
In this case, repair the following item:
• Open circuit of the harness between the ECM and oil flow control solenoid valve connector
• Poor contact of coupling connector