Measure the resistance between ECM and oil switching solenoid valve LH connector.
Connector & terminal
(B137) No. 31 — (E70) No. 1:
(B137) No. 30 — (E70) No. 2:
Is the resistance less than 1 Ω?
Repair the harness and connector.
NOTE:
In this case, repair the following item:
• Open circuit in harness between ECM and oil switching solenoid valve LH connector
• Poor contact of coupling connector