Geely EC718 2009 Workshop Manual page 217

Engine
Yes
Diagnostic completed.
Step 10
5. Repair Instructions:
Replace the fuel injector. Refer to
2.2.7.26 DTC P0203 P0267 P0268
1. DTC Descriptor:
DTC P0203
DTC P0267
DTC P0268
Fuel injector operating voltage is provided by the main relay which is controlled by ECM. Battery voltage passes through the main
relay terminal No.3 to all fuel injector wiring harness connectors terminal No.1. ECM controls fuel injector ground circuit by ECM
harness connector EN01 terminal No.49. ECM monitors all fuel injector driver circuit status, if ECM detects driving circuit
corresponding voltage is incorrect, ECM will set up a fuel injector control circuit fault DTC code.
2. Conditions For Setting DTC and The Fault Location:
DTC Code DTC Detection Strategy
P0203
P0267 Hardware Circuit Checks
P0268
2.2.8.2 Fuel Injector Replacement.
Cylinder No.3 Fuel Injection Control Circuit Open
Cylinder No.3 Fuel Injector Control Circuit Short to Ground
Cylinder No.3 Fuel Injector Control Circuit Short to Power Supply
Conditions For Setting The DTC
1. Circuit Open.
2. Circuit Short to Ground.
3. Circuit Short to Power Supply.
Control System JL4G18-D
Intermittent Fault. Refer to
No
Fault Check
(Control Strategy)
EC718/EC718RV EC715/EC715RV 10/2009
2.2.7.3 Intermittent
Fault Locations
1. Sensor Circuit
2. Sensor
3. ECM
2-135