Geely EC718 2009 Workshop Manual page 202

2-120 Control System JL4G18-D
Yes
Inspect the exhaust system seal.
Step 8
Step 9 Measure oxygen sensor signal circuit.
Post-Catalytic Oxygen Sensor
Harness Connector EN03
4
Yes
Measure the post-catalytic oxygen sensor ground circuit.
Step 10
EC718/EC718RV EC715/EC715RV 10/2009
3 2 1
FE02-5047b
DTC Codes Shown
P0136, P0137, P0138, P0140, P2270,
P2271DTC, P0136, P0137, P0138, P0140,
P2270, P2271
Refer to
No
(a) Check the three-way catalytic converter appearance (signs
of excessive heat, gasket missing, etc.).
(b) Check whether the exhaust pipe is intact and whether gasket
is intact.
Replace the damaged parts. Go to step 16
No
(a) Turn the ignition switch to "OFF" position.
(b) Disconnect the oxygen sensor wiring harness connector
EN03.
(c) Turn the ignition switch to "ON" position.
(d) Measure voltage between oxygen sensor wiring harness
connector EN03 terminal No.4 and a reliable ground.
Standard Voltage: 0.35-0.5 V
(e) Connect the oxygen sensor wiring harness connector EN03.
Is voltage the specified value?
Go to step 12
No
To Step
2.2.7.11 DTC Code Index
Engine
Yes