CHECK HARNESS BETWEEN SECONDARY AIR PUMP CONNECTOR AND ENGINE GROUND.

Measure the resistance of the harness between secondary air pump connector and engine ground.

Connector & terminal

(F11) No. 1 — Engine ground:

QUESTION

Is the resistance less than 5 Ω?

Yes No

Replace the secondary air pump.

Repair the open circuit of the harness between secondary air pump connector and engine ground.