Mg hs as23 self learning & programming manual p4

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For relevant information about product brands, part number or special tools mentioned in this manual, we recommendyou to contact with SAIC Motor Passenger Vehicle Co.

SAIC Motor Passenger Vehicle Co

Information is due in June, 2019

Without prior written approval from SAIC Motor Passenger Vehicle Co., no part of the manual shall be reproduced,stored in retrieval system or transmitted in any form or by any means (including but not limited to electronic, mechanical,photocopy and recording) The statement above applies to all texts, illustrations and tables

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Engine 1

Engine Control Module (ECM) 1

Transmission 5

TCM 5

Transmission Control Module (TCM) -7-speed 9

Shifter Control Unit (SCU) 12

TCCM 13

HVAC System 15

A/C Control Module (HVAC) 15

Steering System 17

Electric Power Steering (EPS) 17

Electronic Steering Column Lock (ESCL) 19

Brake System 21

Dynamic Stability Control System (SCS) 21

Electronic Parking Brake (EPB) 22

Body System 25

Body Control Module (BCM) 25

Power Liftgate Control Module (PLCM) 28

Ambient Lamp Control Module （ALCM） 30

Glass Regulator and Sunroof Initialization 31

Safety and Restraints 33

Gateway (GW) 33

Passive Entry and Passive Start Control Module (PEPS) 34

Supplemental Restraint System Sensing and Diagnostic Module (SDM) 36

Rearward Driver Assistance System (RDA) 37

Front View Camera Module (FVCM) 38

Tyre Pressure Monitoring System (TPMS) 40

Around View Monitor (AVM) 41

Information and Entertainment 43

Instrument Pack (IPK) 43

Entertainment Information Control Module (FICM) 44

Communication Module (TBOX) 45

Low-pressure Control System 47

Battery Sensor (EBS) 47

Operations after Battery Power Resume 48

Glossary List 49

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Engine Control Module (ECM)

Scenario and Function

Scenario Funct-ion A Funct-ion B Funct-ion C Funct-ion D Funct-ion E Funct-ion F Funct-ion G Funct-ion H Funct-ion I Funct-ion J Funct-ion K Operating StepsECU

Replace

VDS—Fast Channel- Learn

Value Adjustment—GPF AshModel UpdateGPF light

This function is used for updating the internal application or

calibration softwares of ECU, and modifying the corresponding

control functions

Operation Conditions

1 Place the shift lever in P (or N) position

2 Turn the ignition switch to ON position

3 The vehicle does not start

4 The vehicle is in stationary state

This function is used for configuring each control function

of ECU according to actual characteristics of the vehicle andwriting VIN at the same time

Result Verification

• The configuration process ends normally

• The configuration document version of ECU is correct

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Function C Electronic Throttle Self-learning

Function Description

It is required to perform the electronic throttle self-learning

operation after the replacement of ECM module, so as to

enable mutual recognition, communication and cooperation

between the new module and the throttle, and further realize

the precise control of throttle opening in accordance with the

load

3 Connect the scan tool VCI to the vehicle and access

the VDS

4 Select Diagnosis - ECM - Real-time Display, ensure:

a The battery voltage is greater than 10V;

b The accelerator pedal opening is 0;

c Engine coolant temperature is between 5℃ ～ 100℃;

d The intake air temperature is higher than 5℃

5 Check if the harness is properly connected and no other

faults exist, mainly including throttle related fault

6 Turn the ignition switch to ON position, wait for 30s, at

this interval, do not make any other operations

7 The self-learning is then completed

• The whole process ends normally

Function D Gas Mixture Self-adaption

It is required to perform the electronic throttle self-learning

operation after the replacement of ECM module, so as to

enable mutual recognition, communication and cooperation

between the new module and the throttle, and further realize

the precise control of throttle opening in accordance with the

load

The intelligent Start/Stop Energy-Saving function may be

lost when the following conditions occur, the function shall

be resumed by performing the gas mixture self-adaption

operation:

1 ECMThe power of the ECM resumes after cut-off, after

the operation which includes the disconnection of battery

and ECM connector, etc.

2 ECMAfter the software update or calibration update is

made through SIPS.

3 After ECM DTCs are cleared with the VDS.

To facilitate the early completion of gas mixture self-adaption atthe engine layer, it is recommended to operate as per followingsteps:

1 After the engine is warmed up, run at idle speed forabout 3-5 minutes

2 Depress and hold the accelerator pedal, keep the vehicledriving at an even speed of 30-70km/h for about 20minutes

3 The intelligent Start-Stop energy-saving functionself-adaption is then completed

• With the VDS, read "Start/Stop - Auto StopDisabled/Gas Mixture Self-Adaption Uncompleted"parameter on the real-time display, when this flag bitshifts from "Yes" to "No", it indicates that the gas mixtureself-adaption process has been completed

• After completing the above operation, it isrecommended to drive the vehicle through at least 3auto stop working conditions, to confirm the effect ofthe gas mixture self-adaption again

Function E Engine Control Module ECM Self-learning Value Reset

The self-learning value reset is mainly used to reset the originalself-learning value stored in the module; after resetting, themodule can learn the new value that fits the current vehicle byitself according to the specific conditions of the vehicle

2 Connect the scan tool VCI to the vehicle and accessthe VDS

3 Perform "Engine Control Module Self-learning ValueReset"

4 Wait for 2-5 seconds, turn off the ignition switch andrestart the vehicle

• The vehicle starts normally

Function F GPF Learning Value Backup Function Description

This function is used to back up the GPF soot load, ash load andGPF Delta pressure sensor adapted value of the old ECM when

it can communicate Please make sure the ECM in current car

is an old ECM

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EngineOperation Conditions

Function G GPF Learning Value Writing

This function is used for writing the learning vale of the old

ECM, including GPF soot load, ash load and GPF Delta pressure

sensor adapted value, into the new ECM after replace the old

one when it can communicate

Function H GPF Adaption

This function is used to learn GPF parameter values in the

following two scenarios。

1 GPF light illuminates yellow or red without DTC P24A4

97

2 ECM is replaced and the old ECM can communicate

After performing this function, start the engine and drive the

vehicle at a speed of over 64.5Km/h (40mph) according to the

software prompt, and drive for a period of time.。

• Check the GPF light off

Function I GPF Learning Value Reset

This function is used to reset the GPF soot load and ash load

after replacing GPF

Function J GPF Delta Pressure Sensor Adapted Value Reset

This function is used to reset the GPF delta pressure sensoradapted value after replacing GPF delta pressure sensor

Function K GPF Ash Model Update Function Description

This function is used to applied the ash model to the newengine and upgraded after replacing the engine The softwareneeds to record the ash load before engine replacement andcalculate the new ash load

Caution: FunctionFunction FFF 、、、 FunctionFunctionFunction GGG 、、、 FunctionFunctionFunction HHH 、、Function

Function III、、、FunctionFunction JJJ、Function 、Function、Function KKK areFunction are usedare usedused forforvehicles

vehicles equippedequippedequipped withwith GPF.with GPF

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Diagnostic Routine Implementation Condition

Shift ForkPositionSelf-learning

ClutchEngagementPointSelf-learning

TransmissionSensor Test

• The new transmission refers to the new manufacture

transmission which we get from the supplier

• Execute the order of the above routine: sequentially from

left to right

Reset EEPROM Data to Default Value

The EEPROM is part of the TCM memory, the data stored

in the EEPROM will not change when the software and

calibration is updated After the diagnostic procedure is

completed, restore the EEPROM data to a reasonable range

so as to avoid wrong data is used by the TCM software.

After replacement of the following parts, perform the

diagnostic procedures for resetting the EEPROM data to

default value:

• Transmission

• TCM

When performing the diagnostic procedure, the following

conditions must be met:

1 The ignition switch is in "ON" position

2 Turn off the engine

3 Can’t reset the EEPROM to default value after clutchengagement point self-learning

After operation successful, must let the vehicle power downnormally(must not disconnect battery)

Perform this diagnostic procedure, the operation shall be heldfor about 3s

1 Connect the scan tool to the vehicle and access the VDS.

2 Select "Fast Track - Learn Value/Adjustment - Reset

EEPROM Data to Default Value", and operate as per

the instructions on the screen

Caution: TheThe operationoperationoperation shallshallshall bebe donebe donedone beforebeforebefore thethe

EEPROM of the TCM.These data are related to shift fork

position, clutch engagement point and solenoid characteristiccurve, etc

After replacement of the following parts, perform thediagnostic procedures for read SubRom:

• Transmission

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• TCM

2 Turn off the engine

After operation successful, must let the vehicle power down

normally(must not disconnect battery)

Caution: AfterAfter replacementreplacementreplacement ofofof thethethe dualdualdual clutchclutch

The diagnostic procedure shall last for about 5s

2 Select "Fast Track - Learn Value/Adjustment - AT Control

Module SubROM Data Reading - Reading SubROM Data

(All)", and operate as per the instructions on the screen

Clutch Pressure/Current Curve Self-learning

Correct pressure/current curve value of the odd/even clutch

can be stored to the TCM by self-learning of the clutch

pressure/current curve

diagnostic procedures for clutch pressure/current curve

self-learning:

• Pressure sensor

When performing the self-learning, following conditions must

be met:

1 The engine is working for more than 5min

2 The vehicle is in P gear and the vehicle speed is 0

3 TCM has no identified DTC.

4 Valvebody temperature: 35–70℃

The self-learning shall last for about 1min, during the operation,

the forced actions of the clutch will cause vehicle vibration, this

is a normal situation

2 Select "Fast Track - Learn Value/Adjustment - AT

Self-learning - Clutch Pressure/Current Curve

Self-learning", and operate as per the instructions on the

Shift Fork Position Self-learning

Shift fork position self-learning will store the correct position

information of the shift fork to the TCM.

After replacement of the following parts, perform thediagnostic procedures for shift fork position self-learning

• Transmission (The operation is not needed when replace

a totally new transmission)

• TCM

When performing the self-learning, the following conditionsmust be met:

2 Select "Fast Track - Learn Value/Adjustment - ATSelf-learning - Shift Fork Position Self-learning", andoperate as per the instructions on the screen

After self-learning, drive for a while to check the effect of theself-learning If the vehicle performance is lowered, repeat theself-learning

Clutch Engagement Point Self-learning

Clutch engagement point self-learning will store the correctengagement point information of the odd/even clutch to the

TCM.

Perform the diagnostic procedures for clutch engagementpoint self-learning under the following conditions:

When a part is replaced:

• Transmission (The operation is not needed when replace

a totally new transmission)

• TCM

Poor Vehicle Performance:

• Severe impact occurs during vehicle start

• Severe impact occurs during vehicle shifting

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• The respond is too long

8 Do not depress the accelerator pedal

9 Engine speed (when engine idles) is less than 1200rpm

10 Is engine torque stable:Yes

The self-learning shall last for about 1min, during the operation,

the forced actions of the clutch will cause vehicle vibration, this

is a normal situation

2 Select "Fast Track - Learn Value/Adjustment - AT

Self-learning - Clutch Meshing Point Self-learning", and

operate as per the instructions on the screen

Caution:DuringDuring clutchclutchclutch meshingmeshing pointmeshing point self-learning,point self-learning,

to

to ensureensure aaa stableensure stablestable engineengineengine torquetorquetorque output,output, dooutput, do notdo not

shift

shift thethethe A/CA/CA/C betweenbetween ON/OFFbetween ON/OFF state.ON/OFF state

After self-learning, check the self-learning effect:

1 Place the gear lever to D position on flat road, release

electronic parking brake and service brake, with the

accelerator pedal undepressed, the vehicle should start

off within 1 second while engine speed has no obviously

decline

2 Step on brake pedal, it should not shock obviously when

switch the shift lever from N gear to D gear and N gear

to R gear

If the vehicle performance is lowered, repeat the self-learning

Transmission Sensor Test

The diagnostic procedure can be used to determine if the signal

of the transmission sensor is normal by comparing the signal

from the TCM and the actual feedback from the sensor.

diagnostic procedures for transmission sensor test

• Pressure sensor

2 Engine running

3 The vehicle speed is 0

4 The vehicle is in P gear

5 TCM has no identified DTC

The diagnostic procedure shall last for about 20s

2 Select "Fast Track - Other - AT Sensor Test", and operate

as per the instructions on the screen

When the operation is completed successfully, the scan toolwill prompt its completion

After replacement of the TCM, perform the following

operations:

1 Connect the scan tool to the vehicle and access the SIPS.

2 Select "Programming and Coding — TCM

—Replacement", and operate as per the instructions onthe screen

The procedures for replacement already include proceduresfor update, configuration and setting (diagnostic procedures

for resetting EEPROM to default value and reading SubROM

data (all))

If the operation fails during replacement, please operate as

per the instructions on the screen If resetting EEPROM to

default value or reading SubROM data (all) fails only, apply the

VDS to reset the EEPROM to default value; if the operation

is successful, perform the diagnostic procedures for readingSubROM data (all)

Vehicle torque Map self-adaption operation

• Odd clutch

1 Shift to 3/5 gear in M mode (suggest use M5), thenadjustment the throttle opening slowly until therotational speed of the engine above to 1500rpm,and then stable running at 10% - 15% of the throttleopening If the speed is too high you can slow down

to guarantee the safety, if the speed is too low, you

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can operation in accordance with the above method,

but you should to ensure the throttle is about 10%

- 15%, driving stability for more than 150 seconds in

3/5 gear

2 Operation like step 1, ensure the throttle is about

20%-25%, driving stability for more than 150 seconds

in 3/5 gear

4 Operation like step 1, ensure the throttle is over

50%, driving stability for more than 150 seconds in

3/5 gear

After the above 4 steps, the odd clutch torque Map

adaptive to complete

• Even clutch

1 Shift to 4/6 gear in M mode (suggest use M6), then

adjustment the throttle opening slowly until the

rotational speed of the engine above to 1500rpm,

and then stable running at 10% - 15% of the throttle

opening If the speed is too high you can slow down

to guarantee the safety, if the speed is too low, you

can operation in accordance with the above method,

but you should to ensure the throttle is about 10%

- 15%, driving stability for more than 150 seconds in

4/6 gear

in 4/6 gear

4 Operation like step 1, ensure the throttle is over

50%, driving stability for more than 150 seconds in

4/6 gear

After the above 4 steps, the even clutch torque Map

adaptive to complete

Caution:ToTo ensureensureensure safetysafetysafety drivingdrivingdriving andandand self-learningself-learning

expressway

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Transmission Control Module (TCM) - 7-speed

Scenario and Function Matrix

Scenario Function A Function B Function C Function D Function E/FECU Software

• This function will relieve the hydraulic fluid pressure of

transmission accumulator, to facilitate the safe removal

of PowerPack

Scenario

• Before PowerPack Replacement

• Before ECU & PowerPack Replacement

Conditions

• Confirm that there is no transmission hydraulic fluid

related failure and the internal mode switch is correctly

• VDS > TCM > Diagnosis > Forced Output>Transmission

Accumulator Pressure Relief

Result verification

• Check if the diagnostic software parameter

"Transmission Fluid Accumulator Pressure" is below

500kPa

B.ECU Software Refresh

Function Description

• This function is used for updating the internal application

or calibration softwares of ECU, and modifying thecorresponding control features.It also includes the

"Transmission Fast Learn” function

• ECU Software Refresh

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• Write SoloData into ECU

• Write VIN into ECU

• Update Sever Relation Infomation

• Transmission Fast Learn

Scenario

• After PowerPack Replacement

• After ECU Replacement

• After Transmission Assembly Replacemen

• After ECU & PowerPack Replacement

• Confirm that the server binding relationship is consistent

with the actual vehicle

• Confirm that the application and calibration software

versions of ECU are correct

• The transmission warning icon and message on the

instrument disappear

• The vehicle can conduct gear shift and drive normally

D.Transmission Fast Learn

• This function is used to complete the learning of

transmission housing internal clutch and fork control

solenoid initial positions,so that the transmission can

• Confirm that there is no failure on the following systems

of the vehicle: power supply, braking, engine speed or

throttle, transmission sensor actuator

• The vehicle is in stationary state, release the accelerator

pedal and keep the brake pedal depressed

• Place the shift Lever in P position, and apply the parking

• Confirm that the transmission fluid temperature is -10

to 100℃, and the transmission accumulator pressure isgreater than 3000kPa

• Shift the gear in the order: P®R®D®P, repeat threetimes, and finally shift it to P gear to exhaust the air inthe clutch

• If the software prompts that the execution fails, pleasecheck if the execution conditions are met, and if there isany assembly fault in the transmission housing mechanicalparts or electro-hydraulic control assembly

E.Transmission Adaptive Value Learn

• This function is used to automatically trigger the learningprocedure of transmission internal adaptive value indifferent working conditions,to improve the vehicledriveability

ScenarioThe function will be triggered automatically in the followingscenarios:

• Dramatic changes in ambient temperature results inperformance reduction

• Long term mechanical wear of transmission results inperformance reduction

The following scenario needs to be simulated to trigger thisfunction:

• Transmission Mechanical Box Repair or Replacement

• ECU Replacement or Reprogramming

• Driveability Improvement

Conditions

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• Confirm that the vehicle can conduct the gear shift during

driving and no DTC is set

• The initial temperature of odd and even gear clutch is less

than 60℃

• Execute 10 driving cycles (each cycle contains one static

and one dynamic process as shown below), refer to the

zone bit in Function F for specific execution times

• f conditions permit, repeat the cycle at small(<20%),

medium (20-50%), large (50%)throttle in the dynamic

process

Static Triggering

• Place the shift lever in P position, and keep

• The brake pedal depressed

• The engine is in idle state

• Shift the gear in the order: P®D®P, and stop in P gear

for 10 seconds

Dynamic Triggering

• Place the shift lever in D position, and the vehicles starts

off

• Depress the accelerator pedal until the vehicle is driving

at 7th gear (vehicle speed is about 70 km/h), release the

accelerator pedal, slightly depress the brake pedal until

the vehicle comes to a standstill

• The vehicle is stationary, shift to P gear and wait for 10

• This function is used to check the learning state of

transmission adaptive value, so as to judge if the vehicle

has driveability issues

Scenario

• Completion of transmission adaptive value learn

• Troubleshooting of vehicle driveability issues

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Shifter Control Unit (SCU)

Scenario and Function Matrix

Coding - SCU - UpdateReplace the electronic shifter

• This function is used for updating the internal application

or calibration softwares of ECU so as to realize the

upgrade of corresponding control logic and control

functions

Operation Conditions

• Place the shift lever in P (or N) position

• Turn the ignition switch to ON position

• The vehicle does not start

• The vehicle is in stationary state

Result Verification

• The update process ends normally

• The application software version of ECU is correct

B ECU Software Configuration

of ECU according to actual characteristics of the vehicle and

writing VIN at the same time

Operation Conditions

• Place the shift lever in P (or N) position

• Turn the ignition switch to ON position

• The vehicle does not start

• The vehicle is in stationary state

Result Verification

• The configuration process ends normally

• The configuration document version of ECU is correct

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TCCM Self-test

This function is used to check the TCCM and solenoid valve

of the torque control When self-test is enabled, the clutch is

activated and the torque can be transferred The duration of

the self-test shall be less than 3s

2 Engine is stopped

3 Clutch slip speed <5 r/min, vehicle speed <5 km/h

Perform this diagnostic procedure with the scan tool, the

operation shall be held for about 3s

2 Select "Routines - other - TCCM On-Demand self Test",

and operate as per the instructions on the screen

After replacement of the TCCM, perform the following

operations:

1 Connect the scan tool to the vehicle and access the SIPS.

2 Select "Programming and Coding — TCCM —Replace",

and operate as per the instructions on the screen

The procedures for replacement already include procedures

for update and configuration

If the operation fails during replacement, please operate as per

the instructions on the screen

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HVAC System

A/C Control Module (HVAC)

A/C Control Module

SIPS-Programming andCoding—HVAC—ReplacementA/C Control Module

SIPS-Programming andCoding—HVAC—UpdateA/C Control Module

SIPS-Programming andCoding—HVAC—ConfigurationReplace any actuator or

VDS-Fast Channel—Learn ValueAdjustment—A/C DamperActuator Self-learningDamper position

changes involved during

refit/remove

①

VDS-Fast Channel—Learn ValueAdjustment—A/C DamperActuator Self-learningNumber in

functional operations

Function A ECU Software Update

This function is used for updating the internal application and

calibration softwares of ECU so as to realize the upgrade of

ECU control logic and control functions

1 Place the shift lever in P position;

2 Turn the ignition switch to ON position;

3 The vehicle is in stationary state;

• The ECU update process ends normally;

• Check if the A/C system operates properly and there is

no relevant DTC for the control module;

• Check and confirm that the application and calibration

software versions of ECU are correct

Function B ECU Configuration

of ECU according to actual characteristics of the vehicle and

writing VIN at the same time

3 The vehicle does not start;

• The ECU configuration process ends normally;

• Check and confirm that the configuration documentversion of ECU is correct

Function C A/C Damper Actuator Self-learning Function Description

To eliminate such problems as damper air leakage due tomanufacture or assembly error, and windshield fogging resultedfrom it, perform the A/C damper actuator self-learning

3 The vehicle does not start;

4 The vehicle is in stationary state;

5 No damper actuator related DTC is available

• The ECU self-learning process ends normally;

• Turn on the A/C, check and confirm that there is airblowing out of the outlet

Troubleshooting

Abnormal result Recommended treatmentsDamper actuator control

circuit is short to ground

Check the circuits related todamper actuator

Damper actuator controlcircuit is short to battery

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HVAC System

Damper actuator feedback

circuit is short to ground

Damper actuator feedback

circuit is short to battery or

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Steering System

Electric Power Steering (EPS)

Scenario Function

A

FunctionB

FunctionC

FunctionD

FunctionE

FunctionF

column, steering

gear boot, inner tie

rod of the steering

gear, outer tie rod

Number in

• 1 Gear position is P or N;

• 2 Ignition switch（Start/Stop switch）is in position ON;

• 3 Vehicle is not starting;

• 4 Vehicle is stationary;

• 5 Keep the steering wheel in center

• The update process ends normally;

This function is used for re-configuring each control function

of ECU and writing VIN

• 2 Ignition switch（Start/Stop switch）is in position ON;

• 5 Keep the steering wheel in center

• The configuration process ends normally;

• Check and confirm that the application and calibrationsoftware versions of ECU are correct

Function C End Stop Learning Data Erase Function Description

This function is used erase existing end stop learning data

• 2 Keep the steering wheel in centre;

• 3 Start the vehicle and wait for 5s;

• 4 Engine speed greater than 500 rpm (if equipped);

• 5 Battery voltage is within 9 - 16V

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This function is used to calibrate the end stop learning Data

This function is not complete through diagnostic instruction,

but by manual operation First, Return the steering wheel;

Second, fully turn the steering wheel to the left and for 2s;

Third, return the steering wheel; Fourth, fully turn the steering

wheel to the right for 2s; Finally, return the steering wheel and

calibration is complete

• Check and confirm that the Rack End Stop Protection

(RESP) Learned Status are “Pre-learn”

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Steering System

Electronic Steering Column Lock (ESCL)

A

FunctionB

Operating Steps

ESCL Configuration ① SIPS—Programming and Coding—ESCL—Configuration

ESCL Replacement ① ② SIPS—Programming and Coding—ESCL—Replacement

Number in

Function A ECU Configuration

• 2 Start/Stop switch is in position ON;

• 4 Vehicle is stationary

Function B Anti-theft matching

ESCLIt is an anti-theft related module; after a new ECU

is replaced, it is required to perform anti-theft matching,

which includes PIN code write-in and key learning After the

anti-theft matching is successfully completed, the vehicle can

start normally

• The displayed parameter shows that the anti-theft

learning is successfully completed;

• The vehicle has no faults, and can start normally; all

functions run normally

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Brake System

Dynamic Stability Control System (SCS)

A

FunctionB

FunctionC

FunctionD

Operating Steps

SCS Replacement ① ② ③ ④ SIPS—Programming and Coding—SCS—Replacement

VDS—Fast Channel—Others—ABS/SCS Refill/Bleeding

parts in brake system

involves brake circuit

SCS DetailDetail InformationDetail InformationInformation refersrefersrefers tototo ChapterChapterChapter ‘EPS’.‘EPS’

• 5 SCS is not in funtion

Function C Yaw Sensor Learning

This function is used for the calibration of internal lateral

acceleration and longitudinal acceleration of SCS.

• 5 Vehicle is on a level ground

• There is no relevant DTC, and no relevant MIL

Function D Brake System VDS Refill/Bleeding Function Description

This function is used to bleed the air in the modules andpipelines via a diagnosis command, mainly for secondary loopbleeding of the brake system

• 5 Battery voltage is greater than 12V;

• 6 Fluid filling pressure is 1 bar

• There is no soft and spongy feeling when depressing thebrake pedal

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Brake System

Electronic Parking Brake (EPB)

A

FunctionB

FunctionC

FunctionD

Operating Steps

Coding—EPB—Configuration

Coding—EPB—Replacement

Replace the parking

brake system actuator

components, such as

parking brake cable, rear

brake caliper, rear brake

friction plate, rear brake

disc, etc

① ② VDS Fast Channel Learning Value/Adjustment

-Parking Brake System Learning

Number in

• 1 Turn the ignition switch to ON position;

• 2 The vehicle does not start;

• 3 The vehicle is in stationary state;

• 4 Place the shift lever in P position

• The update process ends normally;

• 4 Place the shift lever in P position

• The configuration process ends normally;

Function C Parking Brake Cable Fully Released Function Description

This function is used to allow the rear caliper piston back toits original position by releasing the parking brake cable whenreplacing the parking brake system actuator components, such

as parking brake cable, rear brake caliper, rear brake frictionplate, rear brake disc, etc., to facilitate the refit/remove

• 4 The parking brake is already released;

• 5 Do not depress the brake pedal;

• 6 The controller and actuators have no faults

Note: IfIf EPBEPBEPB fails,fails, manualfails, manualmanual releasereleaserelease cancancan bebe usedbe usedto

to fullyfully releasefully release therelease the parkingthe parkingparking brakebrakebrake cable,cable,cable, referreferto

to PrinciplesPrinciples andPrinciples andand FunctionsFunctionsFunctions ManualManual - BrakeManual BrakeBrake systemsystem-Parking

-Parking brakebrakebrake - DescriptionDescription - ElectronicDescription Electronic parkingElectronic parkingbrake

brake mechanicalmechanicalmechanical release.release

• The rear brake caliper piston returns to its initialposition; the gap between the rear brake pad and therear brake disc becomes large

Function D Parking Brake Cable Adjustment Function Description

This function is used to make adjustments and record theoriginal position of parking brake cable after replacing theparking brake system actuator components, such as parkingbrake cable, rear brake caliper, rear brake friction plate, rearbrake disc, etc

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Brake SystemOperation Conditions

• 4 The parking brake is already released;

• 5 Do not depress the brake pedal;

• 6 The controller and actuators have no faults

• No relevant DTC; EPB functions normally

Tiêu đề	self learning & programming manual mg hs
Trường học	saic motor passenger vehicle co.
Chuyên ngành	self learning & programming
Thể loại	manual
Năm xuất bản	2019
Thành phố	unknown

Định dạng
Số trang	51
Dung lượng	563 KB
File đính kèm	MG hs as23 self learning programming manual p4.zip (378 KB)