ELECTRIC PARKING BRAKE SWITCH [(US)]
ELECTRIC PARKING BRAKE SWITCH [(US)]
SM2334025
id0412003003x1
Purpose
• The electric parking brake switch switches between the apply/release of the electric parking brake.
Functions
• The electric parking brake switch displays the electric parking brake condition by turning on/flashing the built-in indicator light.
• The electric parking brake switch switches the contact point according to the apply/release operation.
Construction
• The electric parking brake switch is located on the upper panel.
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• Input signals of the electric parking brake switch have been divided to two systems to enhance the electric parking brake switch malfunction detection accuracy for the DSC HU/CM.
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Operation
Electric parking brake operation
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• When the electric parking brake switch is pulled up, the contact point (apply side) in the electric parking brake switch is switched.
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Electric parking brake release
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• When the electric parking brake switch is pressed, the contact point (release side) in the electric parking brake switch is switched.am3zzn00007917
Indicator light
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• The indicator light turns on/flashes according to the transistor operation in the DSC HU/CM.• When the electric parking brake is operating or released, the indicator light operates as indicated in the table below.
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Item |
Indicator light |
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When operating electric parking brake
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The indicator light flashes during the electric parking brake switch operation, and the light turns on when the electric parking system operates normally. When the ignition is switched OFF, the light turns off approx. 15 s after the light turns on.
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When releasing electric parking brake
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The indicator light flashes during the electric parking brake switch operation, and the light turns off when the electric parking brake is released normally.
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Note
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• When the following operations are performed using an electric parking brake switch, the electric parking brake warning light turns on and the DSC HU/CM stores DTCs. If the electric parking brake switch returns to the neutral position and the DSC HU/CM can determine an operation as normal, DTCs are stored as a past malfunction.
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― Switch is pulled/pressed for 60 s or more while vehicle is stopped (including stuck internal circuit)
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