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ENGINE DRIVEABILITY AND EMISSIONS 6E–133 7 Using the DVM and check the ECT sensor signal 1. Ignition “On”, engine “Off”. 2. Disconnect the ECT sensor connector. 3. Check the circuit for open circuit. Was the DVM indicated specified value? Approximately 5.0V Go to Step 10 Less than 1V: Go to Step 8 More than specified value: Go to Step 9 8 Repair the open circuit between the ECM and ECT — Verify repair Go to Step 14 9 Repair the short to voltage circuit between the ECM — Verify repair Go to Step 14 10 Using the DVM and check the ECT sensor ground 1. Ignition “On”, engine “Off”. 2. Disconnect the ECT sensor connector. 3. Check the circuit for short to power supply circuit. Was the DVM indicated specified value? Less than 1V Go to Step 11 Repair faulty harness and verify repair Step Action Value(s) Yes No V E69 1 E60(J1) E69 27 1 E60(J1) E69 27 1 V E69 2 |