GMW 15396_2007

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阿拉丁 2025-10-01 72 421KB 19 页 15星币

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WORLDWIDE

ENGINEERING

STANDARDS

General Specification

Powertrain Integration GMW15396

Specification for Brake, Accelerator, Clutch Pedal Module Component

August 2007 Originating Department: North American Engineering Standards Page 1 of 19

1 Introduction

Note: Nothing in this standard supersedes

applicable laws and regulations.

Note: In the event of conflict between the English

and domestic language, the English language shall

take precedence.

1.1 Scope This specification establishes the

quantitative requirements for Brake Pedal alone or

Brake/Clutch/Accelerator Pedal Subsystem

including requirements for Adjustable, Variable

Ratio, and/or Crash Releasing pedals if required

depending on program need. The functions,

performance, reliability, and validation required of

the subsystem are defined in this document.

1.2 Mission/Theme. The Pedal Subsystem

consists of components designed to perform three

major functions through the service of brake, clutch

and accelerator pedal. The service brake pedal

function is to transmit driver input to the booster

and master cylinder via a pushrod connection to

retard vehicle velocity. Actuation of the pedal also

operates a sensor system to activate brake lights,

deactivate engine speed control systems and

provide other Powertrain functions. The accelerator

pedal function is to transmit driver input to the

Powertrain to control engine speed and vehicle

velocity. The service clutch pedal function is to

transmit driver input to the Clutch and Clutch Apply

system. Actuation of the clutch pedal will offer the

driver to make a gearshift or a status of a non-

torque transmitted situation. Actuation of the pedal

also operates a sensor system to deactivate

engine speed control systems and provide other

Powertrain functions as well as Clutch Interlock

function. Optional Electrical Adjustable Pedal

assemblies replace the conventional fixed pedal

modules to provide increased occupant comfort

and convenience by adjustment of the pedals

including a larger percentage of the customer

population sizes. Crash Releasing Pedals are

intended to reduce leg injuries if front of dash and

push rod movement reward. Variable Ratio Pedals

can modify Brake pedal feel and reduce total pedal

travel.

2 References

Note: Only the latest approved standards are

applicable unless otherwise specified.

2.1 External Standards/Specifications.

ADR 7/00 E/ECE/324

ADR 31/01 FMVSS 101

ANSI/J-STD-001C FMVSS 124

ASTM A228 FMVSS 135

ASTM A1000 ISO 12103-1 A2

CMVSS 101 ISO/TS 16949

CMVSS 124 KMVSS 13

CMVSS 135 KMVSS 15/90

EEC/71/320*98/12 KMVSS 87/13

ECE R13 09 SAE J1100

ECE R13H 2000/53/EC

ECE R35

2.2 GM Standards/Specifications.

GM4486P GMW7293

GM9125P GMW14154

GMW3001 GMW14155

GMW3059 GMW14377

GMW3091 GMW14551

GMW3094 GMW14872

GMW3097 GMW15150

GMW3103 GMW15151

GMW3110 GMW15272

GMW3116 GMW15335

GMW3172 9985164

GMW4707

2.3 Additional References.

• GM1724 Parts Identifications Label Standards

• GM1738 Packaging and Identification

Requirements for Production Parts

• GM1797 Shipping and Delivery Performance

Requirements

• GM1829 Supplier Validation Plan

• GS/EDG-49 88 218 Brake Pedals

• GS/EDG-49 88 291 Driver Position

GMW15396 GM WORLDWIDE ENGINEERING STANDARDS

Page 2 of 19 August 2007

• Best Practice 111283

• 1987 “C” Car Customer Measurement Program

Final report

• 1993/94 Opel/Vauxhall ‘J’ Car Final Report

(Manual Transmission)

• 1996 T Utility Customer Vehicle Usage

Measurement Program Final Report

• 1998 Pontiac Grand Prix, customer Usage

Report 3rd Interim Report

• NBR10967 99 (MB-3160)

• Contran 463/73

• Contran 777/93 (as amended by 808/95)

• Vermont Senate Bill 181 Sec 5.10 V.S.A §

6621d (a)

• Maine L.D. 1921

• Connecticut Public Act 02-90

• State of Maryland House Bill 136

• Laws of New York - 2004

• Chapter 145 Rhode Island

• J-STD-001C Requirements for Soldered

Electrical and Electronic Assemblies

3 Requirements

3.1 System / Subsystem / Component / Part

Definition. The Pedal Subsystem consists of

components designed to perform three major

functions through the service of brake, clutch and

accelerator pedal. The service brake pedal function

is to transmit driver input to the booster and master

cylinder via a pushrod connection to retard vehicle

velocity. Actuation of the pedal also operates a

sensor system to activate brake lights, deactivate

engine speed control systems and provide other

Powertrain functions. The accelerator pedal

function is to transmit driver input to the Powertrain

to control engine speed and vehicle velocity. The

service clutch pedal function is to transmit driver

input to the Clutch and Clutch release system.

Actuation of the clutch pedal will allow the driver to

make a gearshift or a change of status of a non-

torque transmitted situation. Actuation of the pedal

also operates a sensor system to deactivate

engine speed control systems and provide other

Powertrain functions as well as Clutch Interlock

function.

The Electrical Adjustable Pedal Subsystem, if

included, provides movement of all the pedals,

(brake, accelerator, clutch (if required), rearward

and forward in the vehicle. It maintains functionality

and signal system of the basic non-adjustable

pedal design. The Electrical Adjustable Pedal

Subsystem is designed to move as a unit and

maintain the positional relationship of all pedals in

correlation to the non-adjustable design. Nominal

design position is defined as full forward in the

vehicle, all adjustment is rearward of the nominal

design position. Crash Releasing Pedals shall

reduce pedal movement reward during front of

dash deformation caused by a crash. Variable

Ratio Pedals shall deliver specified force versus

displacement curves even after overloads,

durability, and vehicle usage.

3.1.1 Appearance.

3.1.1.1 Appearance by Design. All components of

Clutch Pedal assembly visible under dash shall

have a quality appearance and be black and/or

silver in color. For Pedal arms fabricated in steel,

the black coating shall conform to specifications

GMW4707, have no cracking, peeling or runs. No

bruises, oxidations or breakups, which could affect

the function are allowed. Plastic material

components shall be free of mold marks, material

flow and other visible defects. No supplier Logo

shall appear on a normally customer visible portion

of the part. Each component must have indications

for identifying the supplier, date of manufacture,

material, regular production option (RPO) or other

General Motors (GM) specified code to

differentiate different version on the same

application, and other as specified on the drawing.

Final appearance approval shall be made by GM

Engineering.

3.1.1.2 Appearance after Durability. Portions of

the Pedal Module visible from below the lower

Dash Panel area appearance shall not degrade,

and wear on the pedal pad foot surface shall be

less than 0.5 mm after any vehicle or component

test referenced in this specification.

3.1.2 Content. The required physical and

functional content for the Pedal subsystem are

identified in the following paragraphs.

3.1.2.1 Physical Content. See program specific

Subsystem Technical Specification (SSTS).

3.1.2.1.1 Pedal Bracket Strategy. See program

specific SSTS.

3.1.2.1.2 Pedal Bracket Material. See program

specific SSTS.

3.1.2.1.3 Pedal Lever Material. See program

specific SSTS.

3.1.2.1.4 Pedal Pad Cover Material. See Program

Specific SSTS.

3.1.2.1.5 Pad Lateral Protection Guide. See

Program Specific SSTS.

3.1.2.1.6 Sports Pad Compatibility. All pedals

shall be designed for optional “Sport Pads” (e.g,

rubber/stainless steel).

GM WORLDWIDE ENGINEERING STANDARDS GMW15396

August 2007 Page 3 of 19

3.1.2.1.7 Pushrod Attachment.

3.1.2.1.7.1 Brake Pedal Pushrod Attachment.

See program specific SSTS.

3.1.2.1.7.2 Clutch Pedal Pushrod Attachment.

See program specific SSTS.

3.1.2.1.8 Crash Occupant Injury Reducing

Devices. See program specific SSTS.

3.1.2.1.9 Position Adjustable Pedals. See

program specific SSTS.

3.1.2.1.10 Lubrication. All pivots, moving joints

and connections must be lubricated for life

including pre-greasing of the push rod pin or

socket by the Pedal supplier to minimize wear and

squeak potential. Reference 9985164.

3.1.2.1.11 Pedal Position Detection See program

Specific SSTS.

3.1.2.2 Functional Content. See program specific

SSTS.

3.1.3 Ambient Environment.

3.1.3.1 Operational Environment. Pedal Module

(PM) shall meet all operational performance

requirements (reference 3.2.1), without loss of

functions or degradation of service life when

exposed to the following environments.

3.1.3.1.1 Temperature. The following range

encompasses the temperatures that the PM may

be exposed to during its service life:

• Air Temperature: -40 to +60°C

3.1.3.1.2 Pressure. The following range

encompasses the pressures that the PM may be

exposed to during its service life;

• Atmosphere Pressure: 57 to 106 kPa

3.1.3.1.3 Chemicals.

3.1.3.1.3.1 Humidity. The following range

encompasses the range of humidity that the PM

may be exposed to during its service life:

• Relative Humidity: 0 to 100%

3.1.3.1.3.2 Contaminants. Table 1 is a list of

cleaners, fluids and contaminants that the PM may

be exposed to during its service life.

3.1.3.1.3.3 Ozone. Table 2, indicates ozone levels

as a function of temperature and time duration for

the PM. This is an expected worst-case lifetime

profile. See GM9125P.

3.1.3.1.3.4 Corrosive. The PM may be exposed to

highly corrosive environments such as near

seashores. This environment may include various

temperatures, humidity, salt, dust, sand, and mud.

See 3.2.1.6 for test requirements.

3.1.3.1.4 Particulates. Table 3 represents

exposure profile of sand and dust that the PM may

see repeated exposure during its service life.

3.1.3.1.5 Driver Applied Forces. Any of the

pedals in the PM, as installed in vehicle, may often

be exposed to the following operator applied load

conditions to any point on any of the pedal pads

during its service life:

• 668 N (150 lb) force in pedal apply direction

• 178 N (40 lb) force in the upward direction

• 178 N (40 lb) force in both lateral directions

• 556 N (125 lb) force 45 degrees each side

from normal in the horizontal plane

3.1.3.1.6 Vehicle Deceleration. The following is

an environment that the PM may be exposed to

during its service life;

• 1.5G vehicle decelerations

3.1.3.1.7 Spray Washes.

3.1.3.1.7.1 Washes at Cold Temperature. The

following is an environment that the PM may be

exposed to during its service life;

Spray wash with 1200 minimum psi nozzle

pressure sprayer with a flow rate of at least

2.6 GPM at a distance of 50 mm in a sweeping

motion to simulate cleaning over portions of the

pedal visible from the foot well area using 25°C

water for 5 s when the component is at -7°C, then

soaked at -40°C for at least 8 h.

3.1.3.1.7.2 Washes at Warm Temperature. The

following is an environment that the PM may be

exposed to during its service life;

Spray wash with 1200 minimum psi nozzle

pressure sprayer with a flow rate of at least

2.6 GPM at a distance of 50 mm in a sweeping

motion to simulate cleaning over portions of the

pedal visible from the foot well area using 10 ± 5°C

water for 5 s, when the component is at 50°C.

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摘要：

GMW 15396_2007 是通用汽车公司于2007年发布的一项汽车行业标准规范，主要用于评估车辆内部材料在高温高湿环境下的抗老化性能及气味排放特性。该标准适用于汽车内饰件如座椅、仪表板、地毯等非金属材料，通过严格的测试方法确保材料在长期使用中不会产生有害挥发物或异味，从而保障车内空气质量与乘客健康。对于汽车制造商、零部件供应商以及材料检测机构而言，遵循此标准是满足通用汽车品质要求、通过全球供应链审核的重要依据。了解 GMW 15396_2007 的最新版本、测试条件及限值要求，有助于企业优化

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GMW 15396_2007

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