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

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Chery SQR7160 series sedan ABS system－fault diagnostic and repairing