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6E–150 ENGINE DRIVEABILITY AND EMISSIONS 11 Using the DVM and check the TPS ground circuit. 1. Ignition “Off”, engine “Off”. 2. Install the breaker box as type A. (ECM disconnected) Refer to 6E-88 page. 3. Disconnect the TPS connector. 4. Check the circuit for open circuit. Was the problem found? Breaker box is not available: 1. Ignition “Off”, engine “Off”. 2. Disconnect the TPS connector and ECM connector. 3. Check the circuit for open circuit. Was the problem found? — Repair faulty harness and verify repair Go to Step 14 12 Substitute a known good TPS and recheck. — Go to Step 13 Go to Step 14 13 Replace the TPS. — Verify repair — 14 Is the ECM programmed with the latest software — Verify repair Go to Step 14 15 Replace the ECM. — Verify repair — Step Action Value(s) Yes No J1-32 Breaker Box E-86 Ω 1 11 1 32 1 E60(J1) E68 |