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3. (N4) FUEL LEVEL SIGNAL 1 CIRCUIT OPEN CIRCUIT OR HIGH RESISTANCE Measure the resistance of the (N4) Fuel Level Signal 1 circuit between Is the resistance below 5.0 ohms? Yes >> Go to 4 No >> Repair the (N4) Fuel Level Signal 1 circuit for an open cir- cuit or high resistance. Perform the PCM Verification Test Ver. 1 (Refer to 9 - 4. FUEL LEVEL SENSOR Turn the ignition off. Connect the Instrument Cluster (CCN) connector. Turn the ignition on. With the scan tool, read the Fuel Level Sensor 1 signal voltage. Is the voltage above 4.5 volts with the Fuel Level Sensor harness disconnected? Yes >> Replace the Fuel Level Sensor in accordance with the service information. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go to 5 5. INSTRUMENT CLUSTER (CCN) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Fuel Level Sensor Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Refer to any Technical Service Bulletins that may apply. Were any problems found? Yes >> Repair as necessary. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Replace and program the Instrument Cluster (CCN) in accordance with the Service Information. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 415 |