Document ID: chunk:federal_register_of_legislation:F2014C01109:body:0:p26
Version: federal_register_of_legislation:F2014C01109
Segment Type: other
Provision Reference: 
Character Range: 77878–80705

than 2 seconds or at the latest when the vehicle reaches a speed of 15 km/h and no defect is present.

       1.3     Where a vehicle is equipped to tow a trailer with an 'ATM' of more than 4.5 tonnes and it is fitted with an electrical connection for the 'Antilock System':
       1.3.1    The vehicle must have a permanent electrical supply system for connection to trailers using a special connector conforming to DIN Standard 72570 configured for 12 volt operation or ISO/DIN 7638:1996, 1997 or 2003 configured for 12 or 24 volt operation. The voltage must be marked on the plug and a warning label must be provided in the cabin to warn the driver. The power supply must provide DC current having a nominal voltage level of 12 volts or 24 volts.

       1.3.2     The connector must be wired to have the following functions:

       1.3.2.1 For 12 volt operation
        Pin 1  +ve high current trailer solenoid valve supply, 20 amps minimum continuous rated capacity 30 amps maximum capacity
        Pin 2  +ve low current trailer electronic unit supply, 4 amps minimum rated capacity
        Pin 3  -ve low current trailer electronic unit supply, 6 amps minimum rated capacity
        Pin 4 -ve high current trailer solenoid valve supply, 20 amps minimum continuous rated capacity 30 amps maximum capacity
        Pin 5 trailer 'Antilock System' failure, switched to -ve (eg pin 3 or pin 4) upon fault detection, 2 amps minimum rated capacity.

       1.3.2.2 For 24 volt operation
       Pin 1  +ve high current trailer solenoid valve supply, 10 amps minimum continuous rated capacity 15 amps maximum capacity
       Pin 2  +ve low current trailer electronic unit supply, 2 amps minimum rated capacity
       Pin 3  -ve low current trailer electronic unit supply, 3 amps minimum rated capacity
       Pin 4 -ve high current trailer solenoid valve supply, 10 amps minimum continuous rated capacity 15 amps maximum capacity
       Pin 5 trailer 'Antilock System' failure, switched to -ve (eg pin 3 or pin 4) upon fault detection, 1 amp minimum rated capacity.

       1.3.3     Either the optical warning lamp specified in clause 1.2.1 of this APPENDIX or an additional yellow optical warning signal (appropriately labelled) must light up whenever Pin 5 of the connector specified in clause 1.3.2 of this APPENDIX is connected to ground or a -ve connector.

APPENDIX 1 – Annex 1
       Additional Provisions for vehicles of categories MD4, ME, NB or NC.

       1.1 Where a vehicle is equipped to tow a trailer, it must be fitted with an electrical connection for the 'Antilock System' meeting Appendix 1 clauses 1.3.1 to 1.3.3.

       1.1.1    Where the vehicle also provides an electrical 'Control Signal' via an electric 'Control Line', the electrical connection shall conform to ISO 11992-1 and 11992-2:2003 and be a