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4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS 6E–183 8 Using the DVM and check the EGR EVRV circuit. 1. Ignition “Off”, engine “Off”. 2. Install the breaker box as type A. (ECM disconnected) Ref. Page 6E-81 3. Remove the EGR EVRV connector. 4. Check the circuit for open or short to ground circuit. Was the problem found? Breaker box is not available: 1. Ignition “Off”, engine “Off”. 2. Disconnect the ECM connector. 3. Remove the EGR EVRV connector. 4. Check the circuit for open or short to ground circuit. Was the problem found? — Repair faulty verify repair Go to Step 11 9 Substitute a known good EGR EVRV and recheck. — Go to Step 10 Go to Step 11 10 Replace the EGR EVRV. — Verify repair — 11 Is the ECM programmed with the latest software — Verify repair Go to Step 12 12 Replace the ECM. — Verify repair — Step Action Value(s) Yes No 97 2 C-52 97 2 C-52 C-57 |