CHECK HARNESS BETWEEN SECONDARY AIR COMBINATION VALVES AND CHASSIS GROUND.

Measure the resistance between the secondary air combination valve connector and chassis ground.

Connector & terminal

(E41) No. 4 — Chassis ground:

(E40) No. 1 — Chassis ground:

QUESTION

Is the resistance less than 5 Ω?

Yes No

Repair the open circuit of harness between secondary air combination valves and chassis ground.