Chery automobile Service Manual page 341

Caution: This failure mode is available only when the system can communicate with
the diagnostic instrument (ABS ECU power supply normal) and there is no
DTC.
Check the open circuit of wires between
ECU and ABS warning lamp controller
No
Check the ABS warning lamp controller
Normal
Replace the ABS ECU
ABS operation abnormal
[Description] This problem is related closely to
the driver and road conditions, and
thus it is difficult to diagnose this
failure. However, if there is no DTC
memory, the following checks may be
conducted.
Yes
Replace harness
Abnormal
Replace
P-37
Possible Cause
* Improper installation of
sensor
* Sensor harness problem
* Sensor damaged
* Gear ring damaged
* Sensor adhered with
foreign material
* Wheel bearing damaged
* ABS HCU (Hydraulic
Control Unit) damaged
* ABS ECU (Electronic
Control Unit) damaged