CHECK HARNESS BETWEEN SECONDARY AIR COMBINATION VALVE CONNECTOR AND ENGINE GROUND.

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

Connector & terminal

(E40) No. 4 — Engine ground:

(E41) No. 1 — Engine ground:

QUESTION

Is the resistance less than 5 Ω?

Yes No

Replace the secondary air combination valve.

Repair the open circuit of the harness between secondary air combination valve and engine ground.