Chery S11 / Chery QQ. Manual — part 190

Chery QQ Maintenance 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 QQ Maintenance 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

Yes

Abnormal

Normal

Normal

Replace ABS ECU

Normal

Normal

Normal

Sensor install
normal?

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

NO

Replac

Replac

Fix or replace

Abnormal

Fix or replace

Abnormal

Abnormal

Replac

Abnorm

Abnorm

Abnorm

Replac

Check out put voltage on
ABS pin 25

Replace ABS

Check harness between
sensor and ABS ECU

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Chery QQ Maintenance Manual Chassis System

4、Wheel speed sensor

Possible fault

4、DTC 00283，00285，00290，00287
Means open or short sensor
Hint:Bad contact of sensor or short harness
or circuit fault on ABS ECU

Open sensor coil
Short sensor coil
Short between sensor and harness or
source
ABS ECU signal fault

Check each sensor

Normal

Abnormal

Abnormal

Yes

Check harness between
ECU and sensor

Normal

RemoveABS ECU co-
nnector and mea-
sure

resistance

between terminals
of ABS ECU
Specifications ：
1.0～1.3kΩ
Shake harness or
connector
MK20I/E
Front left：1-2
Front right：19-20
Rear left：5-6
Rear right：22-23

Check connector of
sensor

Fault appears aga-
in?

Refer to ser-
vice hint

Fix connecter

Normal

Replace ABS ECU

5、ABS coding err

Possible cause

5、DTC 01044

Means the software and hardware problem

·Bad connect of ABS harness

·ABS ECU coding fault

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Chery QQ Maintenance Manual Chassis System

Recoding

Yes

Abnormal

Replace harness

6、Supply terminal 30

Possible cause

6、DTC 00668
Means too high source voltage

·ABS fuse burn out
·Too low or too high battery
voltage
·ABS harness damage
·ABS ECU damage

Normal

Check ABS fuse 30 Replace fuse

Normal

Abnormal Abnormal

Check ABS harness Fix connecter

Normal

Try again. No Normal？

Yes

Normal

Check battery

Normal
Replace ABS ECU

Check if coding correct

Check if ABS harness god

NO

Disconnect between ABS
harness and ECU, turn on
switch

and

measure

voltage:
Terminal8,9： 9.5-16.5V
Terminal 24,25： 9.5-16.5V
MK20I/E：
Terminal8,4： 9.5-16.5V

7、ABS service preternatural

Possible cause

7、DTC 01130
Means interfere of high frequency or bad

signal

·Interfere of high frequency
·Bad sensor or harness
·ABS ECU damage

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