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Transport Canada
Disclaimer: These documents are not the official versions (more).

MOTOR VEHICLE SAFETY ACT

Motor Vehicle Safety Regulations

Standard 124



Accelerator Control Systems

124. (1) In this section, in the case of vehicles powered by electric motors, the words "throttle" and "idle" refer to the motor speed controller and motor shutdown, respectively.

(2) Every vehicle shall meet the requirements set out in subsections (3) to (5)

(a) when the engine is running under any load condition; and

(b) at any ambient temperature between -40°F (-40°C) and 125°F (52°C) after 12 hours of conditioning at any temperature within that range.

(3) Every vehicle shall be equipped with at least two sources of energy capable of returning the throttle to the idle position, within the applicable time limit specified in subsection (5), from any accelerator position or speed upon release of the driver operated control or in the event of failure of one source of energy by a single disconnection or severance of any one component of the accelerator control system.

(4) The throttle of every vehicle shall return to the idle position from any accelerator position

(a) whenever any one component of the accelerator control system becomes disconnected or severed at a single point or the driver operated control is released; and

(b) within the applicable time limit specified in subsection (5) measured from

(i) the time of disconnection or severance, or

(ii) the time of the first removal of the opposing actuating force by the driver.

(5) The maximum time for the return of the throttle of a vehicle to the idle position is

(a) 1 second for vehicles of 10,000 pounds (4 536 kg) or less GVWR;

(b) 2 seconds for vehicles of more than 10,000 pounds (4 536 kg) GVWR; and

(c) 3 seconds for any vehicle that is exposed to ambient temperature of 0° to -40°F (-17.7°C to -40°C) during the test or any portion of the 12-hour conditioning period.

Established by the CONSOLIDATED REGULATIONS OF CANADA, 1978.

amended by

SOR/79-940 6 December, 1979 pursuant to sections 4 and 7 of the Motor Vehicle Safety Act

Section 122 of Schedule IV is renumbered as section 124.


Last updated: 2005-03-02 Top of Page Important Notices