Geely EC715 2009, Workshop Manual

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Yes
Step 12
Check valve timing system.
(a) Refer to the "Engine Mechanical System" in the 2.6.8.9 Timing
Chain Cover Replacement , Is valve timing normal?
No
Adjust the valve timing. Go to step 17
Yes
Step 13 Check the fuel pressure.
(a) Refer to "Fuel System" in the 2.3.7.7 Fuel Pressure Testing
Procedure , Is fuel pressure normal?
No
Check fuel system: fuel pump, fuel filter, fuel
pipe circuit and fuel pressure regulator.
Yes
Step 14
Check whether the data in the data stream table is normal.
(a) Check intake air pressure sensor data.
(b) Check engine coolant temperature sensor data.
(c) Check throttle position sensor.
Are these components normal?
No
Replace the damaged components. Go to
step 17
Yes
Step 15 Check ECM power supply circuit.
(a) Check whether ECM power supply circuit is normal.
(b) Check whether ECM ground circuit is normal.
No
Repair the faulty part.
Yes
Step 16 Replace ECM.
(a) Carry out crankshaft self learn after ECM replacement. Refer
to
2.12.7.11 Crankshaft Position Sensor (CKP) Learn .
Next
Step 17 Use scan tool to confirm whether the DTC code is stored again.
(a) Connect scan tool to the datalink connector.
(b) Turn the ignition switch to "ON" position.
(c) Clear DTC code.
(d) Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e) Road test the vehicle for at least 10 min.
2-720 Control System JL4G15-D Engine
EC718/EC718RV EC715/EC715RV 10/2009