Chery automobile Service Manual page 132

The detailed procedures are:
Turn on the ignition switch, but not start up the engine, ground the 7# pin of ECU by
K wire for more than 2.5 seconds, then open the ground connection, after that the
coding light starts flashing.
After the K wire is grounded for more than 2.5 seconds the output of flashing code is
the value of P-CODE. For example, the flashing method of P0203 is: consecutive
flashes of 10 times-pause-consecutive flashes of 2 times-pause,-consecutive flashes of
10 times-pause-consecutive flashes of 3 times.
·CLEARING MALFUNCTION INFORMATION RECORD
After the malfunction is fixed, the malfunction information record in the memory
shall be cleared. Such malfunction information, which appeared at the time of ignition
but failed to be maintained to the end of stabilizing period, will not be recorded. If the
value Hz of frequency counter reaches 0, the malfunction information records in the
malfunction memory will be cleared automatically. The malfunction information
record will be cleared upon the demand of "clearing the malfunction memory"
through the diagnostic tester. The malfunction information records in the external
RAM can be cleared by disconnecting the connector of ECU or removing the wire of
the battery.
·TROUBLESHOOTING:
WE ONLY CAN KNOW THE ROUGH POSITion of the malfunction whose
malfunction information record is obtained through the above measures, and it doesn't
mean that we have found out that malfunction exactly. Because any malfunction is
possibly caused by the damage of electric components (such as sensors, actuators or
ECU and the like), the circuit open, or the circuit short to ground or positive stud of
battery, even the mechanical malfunctions.
The malfunction is intrinsic and its appearance is various symptoms. After the
symptom is detected the diagnostic tester or the flashing code shall be used to search
the malfunction information record, and excluding corresponding malfunction based
on the malfunction information. And then carry out the troubleshooting based on the
symptom of the engine.
G-23