CHECK SECONDARY AIR PUMP RELAY.

1) Turn the ignition switch to OFF.

2) Remove the secondary air pump relay from the relay box.

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

Terminals

No. 4 — No. 5:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the short to power supply in the harness between the secondary air pump relay and secondary air pump connector.

Replace the secondary air pump relay.