Geely EC718 2009 Workshop Manual page 828

2-746 Control System JL4G15-D
Yes
Diagnostic completed.
Step 8
5. Repair Instructions:
Replace EVAP solenoid valve. Refer to
2.12.7.40 DTC P0480 P0481
1. DTC Descriptor:
DTC P0480
DTC P0481
High or low speed cooling fan relay coil power is provided by ECM controlled main relay. ECM controls the relay via ECM harness
connector EO36 terminal No.66 and 67. ECM has an internal driver circuit that controls the relay coil ground. Drive circuit is equipped
with a feedback circuit to ECM. ECM monitors the feedback voltage control circuit to determine whether the control circuit is open,
short to ground or short to ground.
2. Conditions For Setting DTC and The Fault Location:
DTC Code
P0480
P0481
3. Schematic:
Refer to 2.12.6.1 Schematic.
4. Diagnostic Steps:
Refer to 2.18.3.1 Cooling Fan Circuit Diagnosis
5. Repair Instructions:
Replace the cooling fan. Refer to
2.12.7.41 DTC P0502
1. DTC Descriptor:
DTC P0502
EC718/EC718RV EC715/EC715RV 10/2009
2.4.7.3 Canister Solenoid Valve
Low-Speed Fan Malfunction
High-Speed Fan Malfunction
DTC Detection Strategy
Hardware Circuit Checks
Hardware Circuit Checks
2.8.8.3 Cooling Fan
Vehicle Speed Sensor No Signal
(e) Read control system DTC code again to confirm that the
system has no DTC code.
No
Replacement.
Conditions For Setting The DTC
(Control Strategy)
Under idle operating condition, when
the fan is working. The fan control is
short to power supply, DTC code set.
Under idle operating condition, when
the fan is working. The fan control is
short to power supply, DTC code set.
Replacement.
Intermittent Fault. Refer to
Fault Check.
Fault Locations
1. Relay Circuit
2. Relay
3. ECM
4. Cooling Fan
Engine
2.2.7.3 Intermittent