| CHECK HARNESS BETWEEN ECM AND FRONT OXYGEN (A/F) SENSOR CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Measure the voltage between ECM and chassis ground. Connector & terminal (B136) No. 3 (+) — Chassis ground (−): (B136) No. 2 (+) — Chassis ground (−): |
| QUESTION | |
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Is the voltage 10 V or more? | |
| Yes | No |
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Repair the short circuit to power in the harness between ECM and front oxygen (A/F) sensor connector. |
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