CHECK HARNESS BETWEEN ECM AND SECONDARY AIR PUMP RELAY CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

3) Remove the secondary air pump relay.

4) Measure the resistance of harness between ECM and secondary air pump relay connector.

Connector & terminal

(B135) No. 32 — (F9) No. 13:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness between ECM and secondary air pump relay connector.