| CHECK HARNESS BETWEEN ECM AND SECONDARY AIR COMBINATION VALVE RELAY CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connectors from ECM. 3) Remove the secondary air combination valve relay. 4) Measure the resistance of the harness between ECM and secondary air combination valve relay connector. Connector & terminal (B135) No. 24 — (F9) No. 2: |
| QUESTION | |
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Is the resistance less than 1 Ω? | |
| Yes | No |
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Repair open circuit of the harness between ECM and secondary air combination valve relay connector. |
