DTC Code
DTC Definitions
O2 Sensor Circ.,
P0136-00
Bank1-Sensor2
Malfunction
O2 Sensor Circ.,
P0137-00
Bank1-Sensor2 Low
Voltage
O2 Sensor Circ.,
P0138-00
Bank1-Sensor2 High
Voltage
O2 Sensor Circ.,
P0140-00
Bank1-Sensor2 No
Activity Detected
O2 Sensor Signal
P2270-00
Stuck Lean; Bank 1
Sensor 2
O2 Sensor Signal
P2271-00
Stuck Rich; Bank 1
Sensor 2
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
Start the engine and warm it up to normal operating temperature, and then select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis
procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
Chery Automobile Co., Ltd.
06 - SQR484F ENGINE MANAGEMENT SYSTEM
DTC Detection
Conditions
Downstream oxygen sensor
Ignition switch ON
Wire harness or connector
Engine running
ECM
Possible Cause
(See page
06-18).
06–
06
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