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5. (K356) BOOST PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K356) Boost Pressure Sensor 5 Volt Is the resistance below 10.0 ohms? Yes >> Go to 10 No >> Repair the (K356) Boost Pressure Sensor 5 Volt Supply cir- cuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1. (Refer to 9 - 6. BOOST PRESSURE SENSOR With the scan tool, Clear DTCs. With the scan tool, select View DTCs. NOTE: The scan tool should display a Boost Pressure Sensor high voltage or open DTC with the Boost Does the scan tool display the DTC(s) as described above? Yes >> Replace the Boost Pressure Sensor in accordance with the Service Information. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> Go to 7 7. (K37) BOOST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Engine Control Module (ECM) connector. Measure the resistance between ground and the (K37) Boost Pressure Is the resistance above 1000.0 ohms? Yes >> Go to 8 No >> Repair the (K37) Boost Pressure Sensor Signal circuit for a short to ground. Perform the ECM Verification Test Ver. 1. (Refer to 9 - 9 - 1264 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |