Chery QQ - Page 253

Chery QQ Service Manual Chassis System
Reinstallation
Yes Abnormal
Normal
3、Wheel speed sensor
Possible cause
3、DTC 00283，00285，00290，00287
Means signal is over specification at 20km/h
Hint: Short sensor coil, tooth ring damage
or too big clearance.
Bad touch or short between coil
and harness
Too big or small for clearance
between sensor and tooth ring
Bad tooth
ABS ECU fault
Reinstallation
Abnormal
Normal
Replace ABS ECU
Normal
Normal
Normal
Sensor install
normal?
Abnormal
Check each tooth ring
Check clearance
Check each sensor
Check harness between
sensor and ABS ECU
Install sensor
normal?
Check out put voltage
on ABS pin 25
Check each tooth
ring
Check each tooth ring
Check clearance
N
O
Replace
Replace
Fix or replace
Abnormal
Fix or replace
Abnormal
Abnormal
Abnormal
Abnormal
Check out put voltage on
ABS pin 25
Replace
N
ormal
Abnormal
Replace
N
o
r
mal
Abnormal
N
ormal
Normal
Abnormal
Replace ABS
Check harness between
sensor and ABS ECU
43
Chery Automobile Co., Ltd