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14. MAF SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the MAF Sensor harness connector. Disconnect the ECM harness connectors. Remove the ASD Relay from the PDC. Connect a jumper wire between cavity 30 and cavity 87 of the ASD Turn the ignition on. Measure the voltage of the MAF Sensor 5 Volt Supply circuit. Is the voltage above 1.0 volt? Yes >> Repair the MAF Sensor 5 Volt Supply circuit for a short to voltage. Perform the ECM Verification Test Ver. 1 (Refer to 9 - No >> Replace and program the Engine Control Module in accor- dance with the Service Information. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). 9 - 754 ENGINE DIESEL DIAG KJ |