CHECK SECONDARY AIR PUMP RELAY.

1) Turn the ignition switch to OFF.

2) Connect the battery to the secondary air pump relay terminals No. 3 and 6.

3) Measure the resistance between secondary air pump relay terminals.

Terminals

No. 4 — No. 5:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Replace the secondary air pump relay.