Chery S11 / Chery QQ. Manual — part 33

Chery QQ Service 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

45

Chery QQ Service Manual Chassis System

Abnormal

Replace sensor
of sensor

Check Out put voltager

Normal Normal

Check senso

Replace ABS ECU

Check harness

8、Non- DTC troubleshooting table

（1）Key on, engine of, ABS warning light off

Possible cause

Means ABS light off, open light circuit, lamp
burn out or light control unit damage

·Fuse burn out
·ABS lamp burn out
·Open source circuit
·ABS light control
unit damage

Check ABS light fuse Abnormal

Replace

Normal

Check fuse block Fix

Normal

Disconnect ABS ECU Conn Yes

Abnormal

Turn on switch：ON Check lamp Replace
Light is up?
No

Abnormal

Yes Check ground Abnormal

Chech ABS light or Replace harness
harness ground
Short or ground Normal

Abnormal

Yes Check connector Abnormal Fix connector

Replace harness of ABS light

Normal No Refer to service

Fault again? points

Yes

Replace controller

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Chery QQ Service Manual Chassis System

（2）Engine start, light is on

Possible cause

Means ABS light controller damage or open

·Light controller damage

·ABS light controller open

·ABS ECU fault

Attention: This malfunction only appears on normal source voltage and without

DTC.

Yes

器之间的电线是否开路 Replace harness

NO Abnormal

Check if open between
ECU and light

Check controller Replace

Normal

Replace ABS ECU

（3）ABS abnormal

Possible cause

Means the fault is connect with the driver

or road

·Sensor bad installation

·Bad harness

·Sensor damage

·Tooth ring damage

·Dirt on sensor

·Bearing damage

·ABS HCU damage

·ABS ECU damage

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Chery QQ Service Manual Chassis System

No

Install correctly

Yes

Install sensor right?

Abnormal Abnormal

Replace

Normal
Abnormal

Replace

Abnormal

Abnormal

Replace ABS HCU

Fix or replace

Fix socket

Normal

No

Normal

Check out voltage

Check HECU with tester

Check sensors

Check each tooth ring

Check bearing

Check plug of ABS ECU
and connector

Fault again?

Normal

Normal

Normal

Normal

Normal

Normal

Abnormal

Refer to ser-
vice points

Abnormal

Replace ABS ECU

Fix harness or

connecter

Measure resistance of ABS

harness

Specifications：1.0-1.3kΩ
Shake harness and connector
MK20I/E
Front left:1-2
Front right:19-20
Rear left:5-6
Rear right:22-23

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