| CHECK FRONT OXYGEN (A/F) SENSOR. |
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1) Turn the ignition switch to OFF. 2) Measure the resistance between front oxygen (A/F) sensor connector terminals. Terminals No. 4 — No. 6: |
| QUESTION | |
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Is the resistance less than 10 Ω? | |
| Yes | No |
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Repair the harness and connector. NOTE: In this case, repair the following item: • Open or ground short circuit of harness between front oxygen (A/F) sensor and ECM connector • Poor contact in front oxygen (A/F) sensor connector • Poor contact in ECM connector |
Replace the front oxygen (A/F) sensor. |
