| CHECK HARNESS BETWEEN SECONDARY AIR COMBINATION VALVE RELAY AND SECONDARY AIR COMBINATION VALVE CONNECTOR TERMINAL. |
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1) Turn the ignition switch to OFF. 2) Remove the secondary air pump relay from the relay box. 3) Measure resistance between the secondary air combination valve relay and secondary air combination valve connector. Connector & terminal (F27) No. 11 — (E41) No. 4: (F27) No. 11 — (E40) No. 1: |
| QUESTION | |
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Is the resistance less than 1 Ω? | |
| Yes | No |
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Repair the open circuit between the secondary air combination valve relay and secondary air combination valve connector. |
