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BS EN 50436-4:2022

BS EN 50436-4:2022

$215.11

Alcohol interlocks. Test methods and performance requirements – Connection and digital interface between the alcohol interlock and the vehicle

Published By Publication Date Number of Pages
BSI 2022 116
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This document specifies the interface between an alcohol interlock for production and aftermarket installation and a vehicle. It details the modes of electrical connections, the assignment of electrical connection lines as well as the information to be exchanged between the vehicle and the alcohol interlock. This document is applicable to alcohol interlocks for drink-driving-offender programmes (as in EN 50436 1) as well as to alcohol interlocks for general preventive use (as in EN 50436 2). This document is mainly directed at manufacturers of alcohol interlocks and at vehicle manufacturers. This document is referenced in EN 50436 7 and provides details of the preferred data bus connection suggested therein. NOTE This document describes the information exchange using a LIN or a CAN (J1939) connection.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
10 4 Connection between alcohol interlock and vehicle
4.1 Installation documentation
4.1.1 Installation document of the vehicle
4.1.2 Labelling and marking of the alcohol interlock
4.2 Data bus specification
4.2.1 General
4.2.2 LIN Data Bus
11 4.2.3 CAN Data Bus
4.3 Properties of a connector
4.3.1 Systems using a LIN data bus
4.3.2 Systems using a CAN data bus
4.3.3 Minimum pin assignments
12 4.4 Behaviour of the vehicle
4.4.1 General
4.4.2 Installation
4.4.3 Removal
4.5 Activation of the alcohol interlock
4.6 Deactivation of the alcohol interlock following a shutdown request
13 4.7 Maintaining power to the alcohol interlock
5 Basic connection architecture for the data bus
14 6 Communication
6.1 General
6.2 Communication states of the vehicle
6.2.1 General
6.2.2 Vehicle communication state Protocol Validation
6.2.3 Vehicle communication state Set Mode
15 6.2.4 Vehicle communication state Unset Mode
6.2.5 Vehicle communication state Shutdown
6.2.6 Transitions from Unset Mode to Set Mode
6.3 Communication states of the alcohol interlock
6.3.1 General
16 6.3.2 Alcohol interlock communication state Activated
6.3.3 Alcohol interlock communication state Protocol Validation
6.3.4 Alcohol interlock communication state Service Information
17 6.3.5 Alcohol interlock communication state Warm Up
6.3.6 Alcohol interlock communication state Test Request
18 6.3.7 Alcohol interlock communication state Analysing
6.3.8 Alcohol interlock communication state Result
6.3.9 Alcohol interlock communication state Wait Ignition
19 6.3.10 Alcohol interlock communication state Idle
20 6.3.11 Alcohol interlock communication state Lockout
6.3.12 Alcohol interlock communication state Error
6.4 Interaction between vehicle and alcohol interlock
7 Implementation of the communication states
7.1 General
7.2 Coding of data bus signals
7.2.1 General
21 7.2.2 Vehicle to alcohol interlock
7.2.3 Alcohol interlock to vehicle
7.3 Signal Validation and error handling
7.3.1 General
7.3.2 Bus Wake up
7.3.3 Restart by the vehicle
22 7.3.4 Restart by the alcohol interlock
7.4 LIN identifiers and services
7.4.1 Identifiers
7.4.2 Alcohol interlock status frame
7.4.3 Assign Frame identifier
7.4.4 LIN Product identification of interlock system
7.4.5 Generic integration into vehicle
7.4.5.1 Protected frame Identifier and node address for diagnostic usage
23 7.4.5.2 LIN reconfiguration
7.4.5.3 LIN 2.0 assign frame identifier
24 7.4.5.4 LIN 2.1 and above assign frame protected identifier range request
25 7.4.5.5 Supplier ID Determination
26 7.4.6 Configuration
7.5 CAN-Services
7.5.1 Parameter Group Numbers
7.5.2 Source Address ID
7.5.3 Function ID
8 Communication states and corresponding messages
8.1 Vehicle communication states and corresponding frames
8.1.1 Protocol Validation
27 8.1.2 Set Mode
8.1.3 Unset Mode
28 8.1.4 Shutdown
8.2 Interlock communication states and corresponding frames
8.2.1 Coding of the blocking state and the non-blocking state indication
8.2.2 Interlock Message Response:
8.2.3 Interlock Message Response:
29 8.2.4 Interlock Message Response:
8.2.5 Interlock Message Response:
8.2.6 Interlock Message Response:
8.2.7 Interlock Message Response:
30 8.2.8 Interlock Message Response:
8.2.8.1 General
8.2.8.2 Accepted breath sample
8.2.8.3 Non accepted breath sample or no breath test
31 8.2.9 Interlock Message Response:
8.2.10 Interlock Message Response:
8.2.11 Interlock Message Response:
32 8.2.12 Interlock Message Response:
9 System safety analysis
10 Testing
33 Annex A (informative)Examples of vehicle – alcohol interlock interactions
41 Annex B (informative)State transition tables
45 Annex C (informative)Hazard Analysis and Risk Assessment in accordance with the requirements of ISO 26262
46 Annex D (informative)Example of a LIN 2.0 description file
49 Annex E (informative)Example of a LIN 2.2 description file
52 Annex F (informative)Example of a J 1939 DBC file
57 Annex G (informative)Conformance testing
G.1 LIN conformance testing
G.2 CAN J1939 conformance testing
58 Annex H (informative)Proposed test plan

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BS EN 50436-4:2022
$215.11