Chery T21 2014 Service Manual page 279

6
Check knock sensor signal
a. Install knock sensor.
b. Slightly strike around the knock sensor with a rubber hammer, and measure if voltage is generated
between the 2 terminals of knock sensor with multimeter at the same time.
Replace knock sensor
NG
7
Check for DTCs
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P0327-00 or P0328-00 still exists.
Replace ECM
NG
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
Chery Automobile Co., Ltd.
06 - SQR484F ENGINE MANAGEMENT SYSTEM
OK
OK
06
OK
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