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

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

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

Connector & terminal

(B134) No. 27 — (E41) No. 2:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

• Open circuit of the harness between ECM and secondary air combination valve RH connector.

• Poor contact in coupling connector