Chery A11. Manual — part 132

Chery SQR7160 series sedan ABS system－fault diagnostic and repairing

7

Code 01130

Possible causes

［Note］When ABS is interrupted by high frequency electromagnetic wave

or micro prcrosser recognized an incrorrect input speed signal, code is set.

● high frequency electromagnetic

wave interference

damaged sensor or sensor harness.

● defective ABS ECU

No

Not normal

Replace sensor

Check sensor

Normal

Check sensor output voltage

Check wiring harness

between ECU and sensor.

Normal

Replace ABS ECU

16

11. FAULT W/O CODE DIAGNOSTIC CHART

1

Ignition On (Engine off), ABS warning light is not on

Possible causes

［Note］

ABS warning light not on maybe caused by open warning light voltage

circuit, burned bulb or damaged warning light control unit.

● blown fuse

● burned ABS warning light blub

● open voltage circuit

●damaged ABS warning light control

unit.

Check ABS warning light fuse at

central electrical box.

OKAY

No okey

Replace fuse.

Check central electrical box fuse socket.

Not okey

OKAY

Replace fuse socket

Remove ABS ECU connector

Ignition: ON position

Is warning light on?

YES

NO

Check if ABS

warning light burned?

YES

NO

Replace

Check if wire connecting ABS

warning light control unit and ECU

short to ground?

YES

Replace electrical harness

Check if there is open circuit in

ABS electrical harness voltage

and ground circuit?

Normal

Not normal

Replace wiring harness

Check ABS warning light voltage

and ground circuit connector.

Not normal

Normal

Repair connector

NO

Go to

INTERMITTENT

FAULT DIAGNOSTIC

Does fault appear again?

YES

Replace ABS warning

light control unit

17

Chery SQR7160 series sedan ABS system－fault diagnostic and repairing

Chery SQR7160 series sedan ABS system－fault diagnostic and repairing

2

Engine, ABS warning light does not go off

Possible causes

［Note］

Possible causes:

defective ABS warning light control unit or open ABS warning light ciucuit.

●defective warning light control unit

●open ABS warning light control unit.

● defective ABS ECU.

Note:

This code only applies to a condition under which there is communication between system and scan tool (ABS voltage

supply is ok) and no code set.

Check if there is open wire between

ECU and ABS warning light control

unit.

YES

Replace wiring harness.

NO

Replace

Not normal

OKAY

Check ABS warning light control unit.

Replace ABS ECU

18

3

Abnormal ABS Opearation

Possible Causes:

［Note］This problem has a close relation with driving and road surface

condition, and it is hard to diagnose. If no code set, perform following check:

●Sensor not correctly installed

●Sensor wiring harness has problem

●damaged sensor

●damaged gear ring

●foreign material on sensor

●damaged wheel bearing

● damaged ABS HCU (hydraulic

unit)

● damaged ABS ECU (electronic

controlled unit)

19

Chery SQR7160 series sedan ABS system－fault diagnostic and repairing