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6E–212 4JH1 ENGINE DRIVEABILITY AND EMISSIONS 8 Using the DVM and check the A/C compressor relay 1. Ignition “Off”, engine “Off”. 2. Install the breaker box as type A. (ECM disconnected) 3. Remove the A/C compressor relay from the relay box. 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 A/C compressor relay from the relay box. 4. Check the circuit for open or short to ground circuit. Was the problem found? — Repair faulty verify repair Go to Step 9 9 Is the ECM programmed with the latest software — Verify repair Go to Step 10 10 Replace the ECM. — Verify repair — Step Action Value(s) Yes No 33 4 X-14 33 4 C-56 X-14 |