Geely EC718 2009 Workshop Manual page 805

Engine
Yes
Step 3 Intermittent Fault. Refer to
Check the knock sensor.
Step 4
Knock Sensor
Yes
Check sensor terminal No.1 line.
Step 5
(b)
(c)
(d)
(e)
Is data normal?
Standard Value: Normal data. Refer to
2.12.7.4 Symptoms Table.
(a)
(b)
(c)
Standard Resistance: >1M Ω at 25°C(77 ºF)
(d)
Is resistance normal?
FE02-5083b
Control System JL4G15-D
Turn the ignition switch to "ON" position.
Select "Engine"/"Read Data"/"Knock Sensor Signal 1".
Start and run the engine at normal working temperature.
Road test the vehicle and read the engine speed data on the
scan tool.
Go to step 4
No
Turn the ignition switch to "OFF" position.
Disconnect Knock Sensor harness connector EN08.
Measure knock sensor resistance.
Connect Knock Sensor harness connector EN08.
Replace the knock sensor. Refer to
No
2.10.8.5 Knock Sensor
EC718/EC718RV EC715/EC715RV 10/2009
2-723
2.12.7.9 Data Stream List.
Replacement.