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Maintenance instruction for sunray hfc4da1-2c china-IV diesel engines
162 Fault Tree:
Check the battery voltage at igniting. Battery fault Charge the battery. Check the battery connection. Fault of battery connectors Repair accordingly. Repair accordingly. Check the ECU connector. Connector fault Check the resistance between chassis and ECU ground. Adjust the ECU ground. Is the resistance too high? Check the charging circuit of battery. Fault of charging circuit Repair accordingly. Get the Technical Support.
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