__________________________________________________________________________________________________________________________________________SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences.  The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled.  SAE invites your written comments and suggestions. Copyright © 2009 SAE International
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Email:  SAE WEB ADDRESS:  h ttp:// Issued Revised 2009-11 RATIONALE The 2009 revision of SAE J1100 represents a substantial overhaul of its contents.  Specifically, dimension procedures and definitions have been:
•
harmonized with the Global Car manufacturer’s Information Exchange (GCIE), • coordinated with revisions to other SAE human accommodation standards,
• synchronized with related definitions published by the International Standards Organization  (ISO), including the use of HPM-II,
• formalized with certain regulatory procedures defined by the United States (U.S.) Environmental Protection Agency (EPA), and
• made consistent with some definitions found in the U.S. Code of Federal Regulations by the National Highway Traffic Safety Administration (NHTSA).
This revision reinstates some previously deleted SAE J1100 dimensions as well as some older versions of SAE J1100 dimensional definitions (e.g. W27).  Additionally, many new definitions, dimensi
ons, and figures were adopted.  The document structure was subsequently reorganized for better consistency and to accommodate the number of changes.  Most notably, cargo related dimensions were combined whether or not they were used in a Volume Index,, e.g. L505 – Pickup Body Length at Floor was moved from the Exterior Dimensions – Length Table to the Cargo Dimensions – Length Table.
The use of secondary suffixes was expanded to more logically consolidate dimension codes.  Consistent with the previous two versions of SAE J1100, the location or designated seating position is identified by the first level suffix.  The second level suffix is used to indicate a condition or direction.  Additional details are provided in Section 4.
To assist the user in locating information of interest, a detailed Table of Contents was added.  Content which underwent the most significant change is described below.
As in the past, all ground-related dimensions are taken normal to the ground plane for any loading condition.  The definitions were editorially revised to clarify this point.  SAE J1100 also reintroduces the ‘EPA-curb’ loading condition and describes specific dimensions taken at that load.  Further, the document provides new dimensions measured at the manufacturer’s declared gross vehicle weight rating, and also assimilates the dimensions from the cancelled SAE J689.
The definition of Designated Seating Position (3.3.8) reflects pending changes to Federal Motor Vehicle Safety Standards (FMVSS) for vehicles manufactured on or after September 1, 2010. Related definitions for seating surface (3.3.17) and seating surface width (33.3.19) were added, as well as a new dimensional metric (SW26) for recording the total number of designated seating positions in each row of seats.
The method for locating the floor reference point (3.5.7) was modified to account for differences between the HPM devices and procedures described in  SAE J826 and SAE J4002.  This means that SAE J1100 dimensions are applicable to both.
Driver foot control dimensions were revamped to reflect a component-based numbering system which is described in Section 6. Control spacing dimensions based on ISO 3409 were adopted.
H-point travel path dimensions were revised and the points which describe the travel path limits were defined in Section 7. The dimensions were also suffixed (2, 3, 4, …) to allow the natural expansion into second and succeeding rows of seating.
Daylight Opening (DLO) was replaced with Design Glass Outline (DGO).  Several regulated dimensions use or define Daylight Opening, or DLO, that were different from the DLO definition found i
n prior versions of SAE J1100.  DGO was created to reduce confusion with these other dimensions and provide a unique measure devoid of regulatory interpretation.
The X-plane section for defining head clearances (W27, W35, and H35) was revised to reflect the side view top of contour consistent with the historical method.  It replaces the use of an X-plane through the head contour centroid, first introduced in 2002.  This change results in minimal differences in measures for the driver, and yields equivalent results for second and succeeding rows of seated occupants. The head contour centroid and the side view top of contour for these designated seating positions occur on the same X-plane.  See SAE J1052.
Lastly, volume indices were expanded to include passenger volume and interior volume metrics congruent with EPA and NHTSA definitions.  See Section 9 and Tables 31-33.
TABLE OF CONTENTS
1.SCOPE (7)
2.REFERENCES (8)
2.1Applicable Publications (8)
2.1.1SAE Publications (8)
2.1.2U.S. Government Publications and References (8)
2.2Related Publications (9)
2.2.1ISO Publications (9)
3.DEFINITIONS (9)
3.1Motor Vehicles (9)
3.1.1Passenger Car (9)
3.1.2Light Truck (9)
3.1.3Heavy Truck (9)
3.1.4Additional Vehicle Classifications (9)
3.2Vehicle Loads (10)
3.2.1Curb Load, Curb Weight (10)
3.2.2Gross Vehicle Mass (GVM), Gross Vehicle Weight Rating (GVWR) (10)
3.2.3EPA Curb Weight (10)
3.3General Vehicle Reference Points and Definitions (11)
3.3.1Belt Line (11)
3.3.2Cargo Floor (11)
3.3.3Centerline of Occupant (C/LO) (11)
3.3.4Cowl Point (11)
3.3.5Deck Point (11)
3.3.6Depressed Floor Covering (12)
3.3.7Design Glass Outline (DGO) (12)
3.3.8Designated Seating Position (13)
3.3.9E ndgate (13)
3.3.10Eyellipse (13)
3.3.11Front of Dash (14)
3.3.12Head Position Contour (14)
3.3.13Liftgate/Lift Glass (14)
3.3.14Long-Coupled Seating (14)
3.3.15Maximum Hold-Open Position (14)
3.3.16Normal Top of Frame-Truck (14)
3.3.17Seating Surface (15)
3.3.18Seating Surface Width (SSW) (18)
3.3.19Short-Coupled Seating (20)
3.3.20Sill Plate Bead (20)
3.3.21Standard-Coupled Seating (20)
3.3.22Steering Wheel Center (20)
3.3.23Swing Gate (20)
3.3.24Top of Contour (TOC) (21)
3.3.25Trimmed Body Opening (21)
3.3.26Undepressed Floor Covering (21)
3.4H-Point Devices – Reference Points and Definitions (22)
3.4.1Ankle Circumference (23)
3.4.2Ankle Point (23)
3.4.3Cushion Line (23)
3.4.4D-Point (23)
3.4.5H-Point (23)
3.4.6Knee Point (23)
3.4.7Leg Line (23)
3.4.8Seating Reference Point (SgRP) (24)
3.4.9Thigh Line (24)
3.4.10Torso (Back) Line (25)
3.5Shoe Reference Points and Definitions (25)
3.5.1Accelerator Heel Point (AHP) (25)
3.5.2Ball of Foot (BOF) (25)
3.5.3Ball of Foot Reference Point (BOFRP) (25)
3.5.4Bare Foot Flesh Line (26)
3.5.5Bottom of Shoe (BOS) (26)
3.5.6Floor Plane and Floor Plane Angle (FPA) – Passengers (26)
3.5.7Floor Reference Point (FRP) – Passengers (26)
3.5.8Heel of Shoe (HOS) (27)
3.5.9Shoe Plane – Driver (27)
4.CODE EXPLANATION, VEHICLE SET-UP, AND DIMENSIONING PROCEDURE (28)
4.1Codes (28)
4.1.1Interior Dimension Codes (Identifiers) (28)
4.1.2Exterior Dimension Codes (Identifiers) (28)
4.1.3Cargo, Luggage, and Rear Compartment Codes (Identifiers) (29)
4.2Vehicle Set-Up and Dimensioning Procedure (30)
4.2.1Interior Dimensions and Procedures (30)
4.2.2Exterior Dimensions and Procedures (30)
5.COORDINATE DIMENSIONS (30)
5.1Fiducial Mark Dimensions (31)
5.2SgRP Coordinate Dimensions (31)
5.3AHP Coordinate Dimensions (31)
5.4BOFRP Coordinate Dimensions (31)
5.5FRP Coordinate Dimensions (31)
5.6Additional Coordinates (31)
6.DRIVER’S FOOT CONTROLS, PEDAL CONFIGURATION (32)
6.1Definitions (32)
6.1.1Accelerator Pedal Point (APP) (32)
6.1.2Edge of Pedal (32)
6.1.3Footwell (32)
6.1.4Pedal Centerline (33)
6.1.5Pedal Pad Midpoint (33)
6.1.6Pedal Pad (33)
6.1.7Plane N (33)
6.1.8Plane P (33)
6.1.9Side Support Structure (33)
6.2Types of Pedal Measurements (34)
6.2.1Pedal Sizes (34)
6.2.2Operational Clearances (35)
6.2.3Pedal Locations (35)
7.H-POINT TRAVEL PATH (35)
7.1Definitions (36)
7.1.1Actual Travel Path (36)
7.1.2Design Travel Path (36)
7.1.3Fore-Aft Travel (36)
7.1.4Track Rise (36)
7.1.5Vertical Adjustment (36)
7.2Reference Points (36)
7.2.1Rearmost – Lowest H-point(RLP) (36)
7.2.2Foremost – Lowest H-point(FLP) (36)
7.2.3Rearmost – Highest H-point(RHP) (36)
7.2.4Foremost – Highest H-point(FHP) (36)
7.2.5Rearmost Design H-point(RDH) (36)
7.2.6Foremost Design H-point(FDH) (37)
7.2.7Seating Reference Point (SgRP) (37)
7.2.8Rearmost – Achievable H-point (RAP) (37)
7.2.9Foremost – Achievable H-point (FAP) (37)
8.SEAT PACKAGE DIMENSIONS (37)
9.CARGO DIMENSIONS AND CARGO VOLUME INDICES (37)
9.1Cargo Volume Indices (CVI) (38)
9.2Passenger Volume Indices(PVI) (38)
9.3Interior Volume Indices (IVI) (38)
10.LUGGAGE CAPACITY AND DIMENSIONS (38)
11.ISO CARGO VOLUME S (40)
12.GLASS AREA DIMENSIONS (40)
13.FIGURES (40)
14.DIMENSION INDICES (40)
14.1Dimensions Index Listed by Alphanumeric Codes (41)
14.2Dimensions Index Listed by Old Codes (41)
15.NOTE S (106)
15.1Marginal Indicia (106)
APPENDIX A DIMENSION CROSS REFERENCE TABLES (107)
APPENDIX B DECISION TREE FOR COUPLE METHODS - FOR 2ND TO NTH ROW (127)
FIGURE 1 BELT LINE (11)
FIGURE 2 COWL AND DECK POINTS (12)
FIGURE 3 DESIGN GLASS OUTLINE (13)
FIGURE 4 LONG-COUPLED SEATING AND FRP LOCATION (14)
FIGURE 5A SEATING SURFACE (15)
FIGURE 5B TRIM SEPARATION (CONDITION3.3.17.1) (16)
FIGURE 5C VOID (CONDITION 3.3.17.2) (16)
FIGURE 5D HIP ROOM INTERFERENCE ALONG H-POINT (CONDITION 3.3.17.3) (17)
FIGURE 5E ADJACENT OUTBOARD SEATS (CONDITION 3.3.17.4) (17)
FIGURE 6A MEASUREMENT ZONE (18)
FIGURE 6B MEASUREMENT ZONE (19)
FIGURE 7 SHORT-COUPLE INTERFERENCES AND FRP LOCATION (20)
FIGURE 8 TOP OF CONTOUR (21)
FIGURE 9 HPM-II REFERENCE POINTS (22)
FIGURE 10 AHP, APP, BOF, BOFRP (26)
FIGURE 11 FRP DETE RMINATION (27)
FIGURE 12 THREE DIMENSIONAL REFERENCE SYSTE M (31)
FIGURE 13 NUMBERING SYSTEM FOR PEDAL RELATED DIMENSIONS (32)
FIGURE 14 APP AND PLANE P DETERMINATION (33)
FIGURE 15 PEDAL CENTERLINE AND MIDPOINT (34)
FIGURE 16 PLANE N DE TE RMINATION (34)
FIGURE 17 H-POINT TRAVEL PATH; KEY REFERENCE POINTS (35)
FIGURE 18A LUGGAGE BOXES A-F (39)
FIGURE 18B GOLF BAG (40)
FIGURE 19 SIDE VIEW (77)
FIGURE 20 FOOT ENTRANCE - FRONT (77)
FIGURE 21A FOOT ENTRANCE - SECOND, SE DAN (78)
FIGURE 21B FOOT ENTRANCE - SECOND, 2 DOOR COUPE (78)
FIGURE 22 SIDE VIEW HEAD CLEARANCE (79)
FIGURE 23 DRIVER LEG ROOM (80)
FIGURE 24 STANDARD COUPLE METRICS (80)
FIGURE 25 LONG COUPLE METRICS (81)
FIGURE 26 SHORT COUPLE METRICS - SHOE FITS IN FOOTWELL (81)
FIGURE 27 SHORT COUPLE METRICS - SHOE DOES NOT FIT (82)
FIGURE 28 ENGINE COVER LENGTH AND CARGO COMPARTMENT (82)
FIGURE 29 DRIVER WIDTH ACCOMMODATION (83)
FIGURE 30 REAR VIEW (83)
FIGURE 31 REAR VIEW HEAD CLEARANCE (84)
FIGURE 32 MINIMUM HEAD CLE ARANCE (84)
FIGURE 33 SIDE VIEW (85)
editorially
FIGURE 34 SIDE VIEW (85)
FIGURE 35 STEERING WHEEL ANGLE, PLAN VIEW (86)
FIGURE 36 MANIKIN ANGLES (86)
FIGURE 37 SIDE VIEW PEDAL CLEARANCES (87)
FIGURE 38 SIDE VIEW PEDAL HEIGHT AND CLEARANCE S (87)
FIGURE 39 PEDAL HEIGHT AND WIDTH IN PLANE N (88)
FIGURE 40 PEDAL SPACING AND RELATIONSHIP TO DRIVER:REAR VIEW (88)
FIGURE 41 LATERAL PEDAL CLEARANCES:  VIEW NORMAL TO PLANE P (89)
FIGURE 42 AHP INTERFERENCE OFFSET:  VIEW NORMAL TO SHOE PLANE (89)
FIGURE 43 H-POINT TRAVEL PATH (6-WAY) (90)
FIGURE 44 H-POINT TRAVEL PATH (2-WAY) (90)
FIGURE 45 SIDE VIEW OF SEAT (91)
FIGURE 46 SEAT WIDTH (91)
FIGURE 47 SIDE VIEW - EXTERIOR LENGTH (92)
FIGURE 48 PICKUP METRICS (92)
FIGURE 49A PLAN VIEW OF VEHICLE (93)
FIGURE 49B DETAIL VIEW OF TIRE, WHEEL AND SUSPE NSION (93)
FIGURE 50 PLAN VIEW:  VEHICLE WIDTH (94)
FIGURE 51 OUTSIDE MIRROR WIDTH (94)

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