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ENGINE DRIVEABILITY AND EMISSIONS 6E–113 7 Repair the open or short to ground circuit between the — Verify repair Go to Step 11 8 Using the DVM and check the MAP sensor signal 1. Ignition “Off”, engine “Off”. 2. Install the breaker box as type A. (ECM disconnected) Ref. 6E-80. 3. Disconnect MAP sensor connector. 4. Check the circuit for open, short to sensor ground or short to ground circuit. Was the problem found? Breaker box is not available: 1. Ignition “Off”, engine “Off”. 2. Disconnect the MAP sensor connector and ECM connector. 3. Check the circuit for open, short to sensor ground or short to ground circuit. Was the problem found? — Repair faulty harness and verify repair Go to Step 9 9 Substitute a known good MAP sensor and recheck. — Go to Step 10 Go to Step 11 10 Replace the MAP sensor. — Verify repair — 11 Is the ECM programmed with the latest software — Verify repair Go to Step 12 Step Action Value(s) Yes No 31 3 E85 E60(J1) 2 E85 16 24 16 24 2 E85 E60(J1) |