| CHECK OPEN CIRCUIT IN MAIN FAN RELAY CONTROL CIRCUIT. |
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Measure the resistance of harness between ECM and main fan relay connector. Connector & terminal (B136) No. 18 — (F27) No. 32: |
| QUESTION | |
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Is the resistance less than 1 Ω? | |
| Yes | No |
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Repair the harness and connector. NOTE: In this case, repair the following item: • Open circuit of harness between ECM and main fan relay connector • Poor contact of coupling connector |
