Geely EC718 2009 Workshop Manual page 844

2-762 Control System JL4G15-D
2. Conditions For Setting DTC and The Fault Location:
DTC
DTC Detection Strategy
Code
P0641 Hardware Circuit Malfunction
P0651 Hardware Circuit Malfunction
3. Schematic:
Refer to 2.12.7.21 DTC P0122
4. Diagnostic Steps:
Check ETC harness connector EO27 terminals A and D.
Step 1
Electronic Throttle Body Harness Connector EO27
D C
H G
Yes
Replace the electronic throttle body.
Step 2
Next
Step 3 Use scan tool to confirm whether the DTC code is stored again.
EC718/EC718RV EC715/EC715RV 10/2009
Conditions For Setting The DTC
P0123.
B A
F E
FE02-5238b
(Control Strategy)
-
-
(a) Turn the ignition switch to "OFF" position.
(b) Disconnect ETC harness connector EO27.
(c) Turn the ignition switch to "ON" position.
(d) Measure resistance between EO27 terminal A and a reliable
ground.
(e) Measure voltage between EO27 terminal D and a reliable
ground.
Results:
Test Items
Resistance Between EO27 (A) and A
Reliable Ground
Voltage Between EO27 (D) and A Reliable
Ground
Standard values?
Circuit malfunction, repair circuit.
No
(a) Refer to "Electronic Throttle Body Replacement".
(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.
Fault Locations
1. Electronic Throttle Body
2. Electronic Throttle Circuit
3. ECM
Standard Value
Less than 3 Ω
Engine
4.8-5.2 V