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Motor Vehicle Safety Regulations (C.R.C., c. 1038)
Air Brake Systems (Standard 121)
- Statutory Text
- Regulatory Initiatives (specific to the regulation section)
- Government Notices (specific to the regulation section)
Statutory Text
Transport Canada assumes no responsibility for the accuracy or reliability of the statutory and regulatory information provided by this profile. This regulatory material has been prepared for convenience of reference only. For all purposes of interpreting and applying the law, users should consult the official publications of Canada's laws, which are available in most public libraries.
Consolidated text
- Motor Vehicle Safety Regulations (C.R.C., c. 1038)
Regulatory Initiatives and Government Notices updated to 2012.02.11
Air Brake Systems (Standard 121)
121. (1) Every motor vehicle that is equipped with an air brake system and to which Technical Standards Document No. 121, Air Brake Systems (TSD 121) applies shall conform to the requirements of TSD 121, as amended from time to time.
(2) When a truck or bus is equipped with a front brake pressure limiting valve, that valve shall be automatic and shall operate while the service brakes are applied.
(3) Every antilock brake system malfunction indicator referred to in S5.1.6.2 of TSD 121 shall display the corresponding symbol shown for this indicator in Table II to section 101 of this Schedule, and all words accompanying the symbols shall be displayed in both official languages.
(4) Despite S5.2.3.3(a) of TSD 121, in addition to conforming to the requirements of S5.2.3.2 of TSD 121, each trailer and each trailer converter dolly manufactured before March 1, 2010 shall be equipped with an external antilock brake system malfunction indicator lamp that conforms to the requirements of S5.2.3.3(b) to (d) of TSD 121.
(5) The test of the parking brake static retardation force that is referred to in S5.6.1 of TSD 121 shall be conducted in both the forward and rearward directions.
(6) This section expires on June 1, 2013.
- SOR/78-351, s. 2;
- SOR/79-547, s. 1;
- SOR/79-940, s. 7;
- SOR/80-638, s. 2;
- SOR/92-250, s. 4;
- SOR/94-374, s. 5(F);
- SOR/94-670, s. 2(F);
- SOR/95-147, s. 15(F);
- SOR/96-89, ss. 3, 4(F);
- SOR/97-200, s. 6;
- SOR/97-421, ss. 9(E), 22(F);
- SOR/98-524, s. 4(F);
- SOR/99-357, s. 4;
- SOR/2002-55, s. 21;
- SOR/2005-42, s. 13;
- SOR/2008-104, s. 14;
- SOR/2009-79, s. 2;
- SOR/2009-318, s. 19(F).
Regulatory Initiatives (specific to the regulation section)
Depending on the date, amendments listed may not yet be included in the consolidated text.
No recent initiatives.
Government Notices (specific to the regulation section)
No current notices.
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