Geely EC718 2009 Workshop Manual page 261

Engine
Vehicle Speed Sensor Harness Connector EN21
1
Yes
Replace the vehicle speed sensor.
Step 5
Check ECM power supply circuit.
Step 6
Yes
Replace ECM.
Step 7
Next
Step 8 Use scan tool to confirm whether the DTC code is stored again.
Yes
Step 9 Diagnostic completed.
2 3
FE02-5100b
Control System JL4G18-D
(a) Turn the ignition switch to "OFF" position.
(b) Disconnect speed sensor wiring harness connector EN21.
(c) Measure resistance between vehicle speed sensor harness
connector EN21 terminal No.2 and a reliable ground. Check
whether the circuit is short to ground.
Standard Resistance: Less than 1 Ω
Is the value specified value?
Check whether there is an open circuit
No
between the vehicle speed sensor terminal
No.2 and a reliable ground. Repair the faulty
part.
Go to step 8
Next
(a) Check whether ECM power supply circuit is normal.
(b) Check whether ECM ground circuit is normal.
Repair the faulty part.
No
(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) Read control system DTC code again to confirm that the
system has no DTC code.
Intermittent Fault. Refer to
No
Fault Check
EC718/EC718RV EC715/EC715RV 10/2009
2-179
2.2.7.3 Intermittent