Geely EC715 2009, Workshop Manual

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11.9.7 Diagnostic Information and Procedures
11.9.7.1 Diagnosis Description
Refer to 11.9.2 Description and Operation 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
described situation is normal.
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
replacing bulbs.
11.9.7.3 Symptom List
Symptoms Suspected Faulty Parts Repair Procedure
Mechanical key can not lock / unlock the
door
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
doors
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
EC718/EC718RV EC715/EC715RV 10/2009