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6. A/C SENSOR SIGNAL CKT OPEN Turn the ignition off. Disconnect the BCM harness connectors. Disconnect the A/C Pressure Sensor harness connector. Measure the resistance of the A/C Pressure Sensor Signal circuit. Is the resistance below 10.0 ohms? Yes >> Go To 7 No >> Repair the A/C Pressure Sensor Signal circuit for an open. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 7. A/C PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the BCM harness connectors. Disconnect the A/C Pressure Sensor harness connector. Measure the resistance between ground and the A/C Pressure Sensor Is the resistance above 1000 ohms? Yes >> Go To 8 No >> Repair the A/C Pressure Sensor Signal circuit for a short to ground. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1034 ENGINE DIESEL DIAG KJ |