CHECK POWER SUPPLY TO SECONDARY AIR PUMP.

1) Disconnect the secondary air pump connector.

2) Turn the ignition switch to ON.

3) Measure the voltage between the secondary air pump and chassis ground.

Connector & terminal

(F11) No. 2 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Temporary poor contact occurs. Check the poor contact of connector.