| CHECK HARNESS BETWEEN ECM AND ELECTRONIC THROTTLE CONTROL. |
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1) Disconnect the connectors from the ECM. 2) Measure the resistance of harness between ECM and electronic throttle control connector. Connector & terminal (B134) No. 18 — (E57) No. 6: (B134) No. 28 — (E57) No. 4: (B134) No. 29 — (E57) No. 3: |
| 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 items. • Open circuit in harness between ECM and electronic throttle control connector • Poor contact of coupling connector |
