Chery A series. Manual — part 82

Refit of ABS Assy.
Caution: The plug of hydraulic opening on the ABS assy. can be removed only when

installing the brake pipe, the purpose of which is to avoid the foreign
material entering into the brake system.

* Install the ABS assy. on its support, with the tightening torque of 20+4Nm;
* Remove the plugs from the hydraulic opening, and install the brake pipe to determine

the right connection of the pipe;

* Install the brake pipe connected to the main pump;
* The tightening torques to assemble the brake pipe are 12+4 Nm (M10×1) and 15+3Nm

(M12×1);

* Add new brake fluid into the reservoir until the level of fluid reaches the MAX marks,

and degas in accordance with the specified method;

* Turn the ignition switch to ON, and ABS warning lamp lights and then switches off

after lasting for 1.7 s;

* Clear the DTC (Diagnostic Trouble Code) memory, and then read it and determine

whether there are some DTCs;

* Finally, drive the vehicle to determine the function of ABS, and you shall feel the

bounce of brake pedal;

MSABS CONTROL SYSTEM DIAGNOSTIC
Check the ABS warning lamp
Check whether the ABS warning lamp lights in the following mode.
Turn the ignition switch to “ON”, and ABS warning lamp lights and then switches off after
lasting for 1.7 s;
-- Not the condition above, it indicates that there are some failures, please check the DTCs.
-- The warning lamp fails to light, please refer to the DTC Failure Check Sheet.

Readout of status information

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Begin

Connect the diagnostic tester under the Power
Off condition

Turn the key switch to “ON”

Turn on the power switch of instrument, and select the
“A15LHD Series”

Select "MK20-I/E Type ABS System”

Select “Universal OBD-16 Diagnostic
Connection”

Communicate or
not?

Check it in accordance with
the Non-DTC Failure Check
Sheet

DTC

Random failure

Continuous failure

Record the DTCs

Clear the DTCs

Repair it in accordance with the Random Failure
Diagnostic Details

Repair it in accordance with the DTC Failure
Check Sheet

Clear the DTCs

Power off the key switch, and remove the
diagnostic tester

Vehicle drive check

End

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OPERATION METHOD AND FUNCTION INTRODUCTION OF DIAGNOSTIC
TESTER

* Connect the diagnostic tester with the diagnostic socket (behind the glove box) under
the condition of power off, and then turn on the ignition switch.

* Turn on the power supply of the diagnostic instrument, and select the “A15LHD Series”

* Select the “MK20-I/E Type ABS System”

* Select the appropriate function item/channel number

* CH 01 – Status information display

* CH 02 – Failure inquiry

* CH 03 – Hydraulic Control Unit Diagnostic

* CH 04 – Fluid refilling and air bleeding

* CH 05 – Clear DTC memory

* CH 06 – End and Exit

* CH 07 – Controller coding

* CH 08 – Measured data display, such as wheel speed signal and etc.

* For example, ABS, ECU’s versionor part number.

A15LHD-3550010

Coding: 01901

* Read the DTCs

* Click the “MK20-I/E Type ABS System”, select the “DTC”, and press the “OK” button,
in this case, the DTC will display on the screen if there is a DTC.

* Clear the DTC

1

Press the “Clear” button on the instrument after the TDC readout.

2

In this case, the following will display on the screen

If the failure is removed after pressing the “Yes” button, the DTC can be cleared

completely.

Want to clear the DTC?

[Yes]: Delete it (key ON, and engine OFF)

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* ECU coding

The new ECUs shall be coded when replacing the HECUs or ECUs, otherwise the ABS
warning lamp will flash and the system fails to operate normally.

The original diagnostic tester is available to code the ECUs, the procedure of which is as
follows:

Connect the diagnostic tester with the

diagnostic socket

Select [Universal OBD-16] diagnostic

connection

Select the “Control Unit Coding” from the

function items

“Please input new coding _ _ _ _ _” displayed on the

screen

Press “OK” button, and then display as

follows

1J0907379 P ABS 20 IE CAN

001

Coding: 01901

WSC: 000001

The coding finish and exit

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