Chery QQ - Troubleshooting Table

Chery QQ Service Manual Chassis System
Troubleshooting table index
（1）Troubleshooting table index
DTC Symptom Diagnosis
65535 ECU Damage
01276 ABS Hydraulic pump Motor does not work
00283 Front left sensor
00285 Front right sensor
00290 Rear left sensor
00287 Rear right sensor
Electric or mechanic
faults
01044 ABS Code Fault
00668 Source terminal 30
01130 ABS abnormal Bad signal
（2） Non-DTC malfunction table index
Symptom
Turn on ignition switch, ABS light not up
Start engine but warning light not turn off
Uneven brake torque on both sides
Brake torque not enough
Step on pedal, ABS works ( vehicle is stopping)
Step on pedal, ABS works ( vehicle is running)
ABS abnormal
Pedal shocks badly when ABS works
Too long for brake travel
Need too much force to step on pedal
No DTC put out ( cannot communicate with diagnosis instrument)
七、Troubleshooting table
1、ABS Hydraulic pump
Possible cause
1、DTC 01276
It means ABS ECU find that motor cannot work
normally at 20km/h
Hint: Harness between motor and ECU is loose.
Test with diagnosis instrument.
Source open or ground
Motor harness loose
Motor damage
Attention: Vehicle must be in idle state when proceeding electric motor drive
test
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Chery Automobile Co., Ltd