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5. (K354) EXHAUST DIFFERENTIAL PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH Measure the resistance of the (K354) Exhaust Differential Pressure Is the resistance below 10.0 ohms? Yes >> Go to 10 No >> Repair the (K354) Exhaust Differential Pressure Sensor 5 Volt Supply circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 6. (K355) EXHAUST DIFFERENTIAL PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND Disconnect the Engine Control Module (ECM) connector. Measure the resistance between ground and the (K355) Exhaust Differ- Is the resistance above 1000 ohms? Yes >> Go to 7 No >> Repair the (K355) Exhaust Differential Pressure Sensor Sig- nal circuit for a short to ground. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1796 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |