Geely EC718 2009 Workshop Manual page 120

2-38 Control System JL4G18-D
Symptoms
Fault Definition: When the
ignition switch in the "ST"
position, the engine crankshaft
is not rotating.
Engine does not start, no sign
of the vehicle starting.
Fault Definition: When ignition
switch in the "ST" position, the
engine crankshaft rotates, but
no sign of the vehicle starting.
Engine difficult to start
Fault Definition: The engine
crankshaft rotation is normal,
but the vehicle can not be
started in a long time. The
engine is eventually started,
but it may stop immediately.
Poor idle, Unstable, Inaccurate
or Stall
Fault Definition: Engine
running unstable during idle. In
extreme cases, the engine or
the vehicle will tremble. With
the throttle opening at a certain
EC718/EC718RV EC715/EC715RV 10/2009
Suspected Fault Items
2. Starter
3. Start Relay
4. Ignition Switch
5. BCM
6. Engine Immobilizer System
1. ECM Power Supply Circuit
2. Crankshaft Position Sensor
3. Camshaft Position Sensor
4. Ignition System
5. Fuel Pump Control Circuit
6. Fuel Injector Working Circuit
7. ECM
1. ECM Power Supply Circuit
2. Engine Coolant Temperature Sensor
3. Idle Air Control Valve (IAC) System
4. Fuel Pump Relay, Fuel Pump, Fuel
Injector, Fuel Contamination
5. Ignition System: Ignition Wire, Spark
Plug, Ignition Coil
6. Excessive Engine Oil in Combustion
Chamber and Valve Seal Leakage
7. Excessive Carbon Residue in
Combustion Chamber
8. Incorrect Assembly
9. Incorrect Cylinder Compression
Pressure
1. ECM Power Supply Circuit
2. Air Cleaner Filter Blocked
3. Fuel Pressure Abnormal
4. Fuel Contamination
5. Injector Working Abnormal
Relevant Sections
"Engine Immobilizer System" in
Information and Procedures.
This section2.2.7.37 DTC P0560 P0562
This section2.2.7.29 DTC P0321
This section2.2.7.31 DTC P0340-P0343.
"Ignition System" in the2.10.7 Diagnostic Information
and Procedures.
"Fuel System" in the2.3.7 Diagnostic Information and
Procedures.
This section2.2.8.8 Engine Control Module
Replacement.
This section2.2.7.37 DTC P0560 P0562
This section2.2.8.6 Engine Coolant Temperature
Sensor Replacement.
This section2.2.8.1 Idle Air Control Valve
Replacement.
"Fuel System" in the2.3.7 Diagnostic Information and
Procedures.
"Ignition System" in the2.10.7 Diagnostic Information
and Procedures.
"Mechanical System" in the2.6.7 Diagnostic
Information and Procedures.
This section2.2.7.37 DTC P0560 P0562
---
"Fuel System" in the2.3.7 Diagnostic Information and
Procedures.
Engine
the2.5.7 Diagnostic
P0563.
P0322.
P0563.
P0563.