Chery T21 2014 Service Manual page 562

09 - SQR484F EMISSION CONTROL SYSTEM
Inspection
1. Measure resistance of upstream oxygen sensor with a
digital multimeter.
Multimeter
Connection
Pin C - Pin D
Pin A - Pin B
Pin A - Pin C
Pin A - Pin D
Pin B - Pin C
Pin B - Pin D
If result is not as specified, replace upstream oxygen sensor.
Installation
Installation is in the reverse order of removal.
09
14
09–
Specified
Condition
Condition
20°C 7 - 11 Ω
Always No continuity
+ -
Chery Automobile Co., Ltd.
D C B A
RT21090140