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4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS 6E–91 Check Engine Lamp (MIL) On Steady Step Action Value(s) Yes No 1 1. Ignition “Off”, engine “Off”. 2. Disconnect the ECM connector. 3. Ignition “On”. Was the “CHECK ENGINE” lamp turned on? — Go to Step 2 Go to Step 4 2 Using the DVM and check the “CHECK ENGINE” 1. Ignition “Off”, engine “Off”. 2. Disconnect the meter connector and ECM connector. 3. Check the circuit for short to ground circuit. Was the problem found? — Verify repair Go to Step 3 3 Replace the meter assembly. — Verify repair — 4 Is the ECM programmed with the latest software — Verify repair Go to Step 5 42 2 6 B-23 C-56 4JA1-TC B-23 4JH1-TC |