|
|
Content .. 1290 1291 1292 1293 ..
5. (K343) FUSED ASD RELAY OUTPUT 2 CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K343) Fused ASD Relay Output 2 circuit Is the resistance below 10.0 ohms? Yes >> Go to 6 No >> Repair the (K343) Fused ASD Relay Output 2 circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1. (Refer to 9 - 6. OXYGEN SENSOR Turn the ignition off. Connect the Engine Control Module (ECM) connector. Replace the Oxygen Sensor in accordance with the Service Information. Start the engine. Allow the engine to reach normal operating temperature. Monitor the scan tool for at least two minutes. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes >> Go to 7 No >> Test Complete. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 7. ENGINE CONTROL MODULE (ECM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Oxygen Sensor and 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 ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> Replace the Engine Control Module (ECM) in accordance with the Service Information. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 9 - 1192 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |