Chery QQ - Page 252

Chery QQ Service Manual Chassis System
Abnormal
Replace HECU
Normal
Abnormal Replace fuse or harness
Normal
Replace ECU
No
2、Wheel speed sensor：00283，00285，00290，00287
Remove motor harness
plug and connect battery
to motor plug to see if
motor works
Check fuse and ABS ECU
connector
Connect motor harness
Turn on ignition switch
Clear DTC
Diagnose HECU with instrument
Possible cause 2、DTC 00283，00285，00290，00287
Means no signal put out at 20km/h
Hint: No sensor, sensor coil and harness
short, too big or too small for clearance
between sensor and tooth ring or bad tooth
ring
No sensor
Sensor coil and harness short
Too big or too small for
clearance between sensor and
tooth ring
Bad tooth ring
ABS ECU fault
Faulty appears again?
Yes
Refer to intermittence malfunction
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Chery Automobile Co., Ltd