CHECK HARNESS BETWEEN ECM AND SECONDARY AIR COMBINATION VALVE RELAY.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM and secondary air combination valve relay.

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

Connector & terminal

(B135) No. 34 — (F27) No. 14:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair open circuit of the harness between ECM and secondary air combination valve relay.