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Geely EC718, EC718RV, EC715, EC715RV. Manual part - 455
11.9.7 Diagnostic Information and Procedures Refer to get familiar with the system functions and operation before start system diagnostics, so that it will help to determine the correct diagnostic steps, more importantly, it will also help to determine whether the customer 11.9.7.2 Visual Inspection – Check installed after market equipment that may affect Central Locking operation. – Check the easy to access system components to identify whether there is a significant damage or a potential malfunction. – If all door locks are inoperative, check the power supply circuit and the ground circuit for poor connection or open circuit before 11.9.7.3 Symptom List Symptoms Suspected Faulty Parts Repair Procedure Mechanical key can not lock / unlock the 1. Central Locking Power Supply Malfunction 2. Left Front Door Unlock / Lock Switch Poor Connection 3. Wiring Harness Connector Poor Connection 4. Ground Poor Connection 5. Harness Malfunction 6. Central Locking Motor Malfunction 7. BCM Malfunction 1. Check the power supply circuit. 2. Check wiring harnesses and connectors. 3. Check ground malfunction 4. Replace the door lock motor. 5. Check the BCM, if necessary, replace the BCM. Central locking switch can not lock / unlock 1. Central Locking Power Supply Malfunction 2. Left Front Door Combination Switch Central Locking Switch Malfunction 3. Wiring Harness Connector Poor Connection 4. Ground Poor Connection 5. Harness Malfunction 6. Central Locking Motor Malfunction 7. BCM Malfunction 1. Check the power supply circuit. 2. Check wiring harnesses and connectors. 3. Check ground malfunction 4. Check the left front door window switch. 5. Replace the lock motor. 6. Check the BCM, if necessary, replace the BCM. Body Electric Central Locking 11-333 |