Chery A11. Manual - part 135

Chery                        SQR7160 series sedan ABS system－fault diagnostic and repairing 

 

 

 

 

 

) to each wheel cylinder. Plug ports immediately.   

        * Remove screw cap holding HECU on the carrier.   

rrier. 

trolled Unit   

  * Press locking buckle at connector side, and remove 

 on ECU. 

g new screw. Tighten torque：

. 

acing ECU 

  * Press locking buckle at connector side, and remove 

rom ECU. 

ew screws. Tighten torque is：

 

lic port cannot be 

moved until brake fluid pipe is ready for installing. Avoid 

 install brake pipe. 

torque is 12+4Nm (M10×1) 

* Remove and mark brake fluid pipe (1-4

* Remove HECU assembly from ca

 

14.4 Replacing Hydraulic Con

  

pump motor wiring harness. 

* Remove 4 screws shown on illustration. Removed screws 

cannot be reused. 

* Separate HCU and ECU. 

* Install a new HCU

* Retain ECU on HCU usin

3+1Nm。 

* Connect motor wiring harness. Locking buckle must be 

well settled

 

14.5 Repl

  

wiring harnesss. 

    * Remove 4 screws shown on illustration 4 and discard.   

* Remove HCU f

* Install a new ECU on HCU. 

* Lock ECU on HCU using n

3+1Nm 

Connect motor wiring harness and settle locking buckle well. 

 

14.6 Installing ABS assembly 
 

        Note：Plug on ABS assembly hydrau

re

foreign material entering brake system. 

* Install ABS assembly on carrier. Tighten torque is 20+4Nm 

* Remove plug at hydaulic ports and

Ensure pipe connect correctly. 

        * Install brake pipe to master pump. 

* Brake pipe mounting tighten 

28 

 

 

 

 

specified method. 

k can be felt). 

15.ECU Programming 

        New ECU should be programmed when replacing HECU or ECU. Otherwise ABS warning light will flash and 

rogramme ECU using scan tool by following methods: 

 

and 15+3Nm(M12×１). 

* Fill new brake fluid to fluid reservoir until fluid level reaches MAX, and bleeding as 

* Turn ignition to ON position, ABS warning light should go on 1.7 second and then off. 

        * Clear fault code memory, and retrive again. Ensure no codes in memory. 

* Finally perform vehicle drive test to confirm ABS function correctly (pedal kic

system doe not operate. 

 

P

 

Connect scan tool to diagnostic socket 

Enter 03 at 

 press Q key. 

ADDRESS,

Enter 07 at FUNCTION SELECT, press Q key.

Enter approciate code 01901 (see ABS electrical circuit) at CODE INPUT.

Display code being entered, press 

Enter 06 at FUNCTION SELECT, press Q key.

END 

Chery                        SQR7160 series sedan ABS system－fault diagnostic and repairing 

29 

 

Chery                        SQR7160 series sedan ABS system－fault diagnostic and repairing 

 

 

 

 

16. Filling brake fluid and bleeding 

16.1 Oil Carried HCU 

If spare part is an oile carried HCU, after replacing, fill and bleed HCU using conventional brake system methods. 

 

16.2 Dry HECU 

If spare HECU is a dry one, after replacing, HECU second circuit must be bleeded after filling and bleeding as per 

conventional brake system. Operating procedures are as following using scan tool: 

 

Filling and bleeding as per conventional brake system   

procedures until no bubbles in transparent pipes. 

Connect scan tool to diagnostic connector 

Enter 03 at ADDRESS, press Q key. 

Enter 04 at FUNCTION SELECT, press Q key. 

Enter 001 at GROUP NUMBER, press Q key. 

  To next page 

30 

 

 

 

 

 

 

From previous page.

Depress brake pedal and keep depressed, hydraulic

pump operates and pedal kick back.   

Depress brake pedal 10 times, tighten left and right front

brake caliper bleed screw, press      key. 

Loosen brake pedal, and loosen left and right front brake

caliper bleed screw, press    key. 

Repeat above procedures 7 times. 

BLEEDING OVER displayed, press     

  key to return to FUNCTION SELECT menu. 

Enter 06 at FUNCTION SELECT, press Q key. 

                  END 

31 

Chery                           SQR7160 series sedan ABS system－fault diagnostic and repairing