CHECK HARNESS BETWEEN ECM AND SECONDARY AIR COMBINATION VALVE RELAY CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the ECM connector.

3) Measure the resistance of the harness between ECM and secondary air combination valve relay connector.

Connector & terminal

(B135) No. 24 — (F9) No. 2:

QUESTION

Is the resistance less than 1 Ω?

Yes No

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