Toyota 84340-09070 Switch Assy, Stop Lamp

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The brake light switch is situated on a bracket near the top of the brake pedal and activates the rear brake lights when the pedal is pressed. To check its functionality, observe if the brake lights illuminate when the pedal is pressed and turn off when released; if they do not, first check the fuse. If the lights remain unresponsive, the issue may lie with the switch not receiving voltage, a defective switch, or a faulty circuit between the switch and the lights, though it's unlikely that all brake light bulbs are burned out. Use a voltmeter or test light to confirm voltage at one side of the switch connector; if absent, troubleshoot the circuit from the switch to the fuse box. If voltage is present, check the other terminal while the brake pedal is pressed; if absent, replace the switch, and if present, troubleshoot the circuit leading to the brake lights. To replace the brake light switch, unplug the electrical connector, rotate the switch counterclockwise about a quarter turn to detach it from the bracket, and reinstall by reversing the removal steps, ensuring proper self-adjustment upon installation. For the brake light switch adjuster bracket, remove the switch from the bracket, press the two plastic adjuster clips inward, and pull the adjuster out of the metal bracket, with installation following the reverse of removal.

The brake light switch is on the brake pedal bracket, under the steering column panel. It controls the brake light circuit. If brake lights fail, check the fuse and bulbs first. If they're okay, check the switch's voltage. No voltage indicates an open circuit between the fuse block and switch. To replace, remove the panel, unplug the connector, rotate the switch counterclockwise, and remove. Install in reverse order.

First of all, pedal height refers to the brake pedal's distance from the floor. If it's not within the specified range, inspect the brake pedal, pedal arm, mounting bracket, and dash panel for damage. Adjust the brake light switch if necessary. To measure pedal height, start the engine, press the accelerator, and measure with the carpet pulled back and the pedal pad removed. Pedal free-play is the slack before the brake system is engaged. If incorrect, adjust the brake light switch or check the brake system. Pedal reserve height is the pedal's distance from the floor when fully depressed.

If the lights are still not working: Check for voltage at the brake light switch; if there's no voltage, search for an open circuit between the fuse block and the switch. If voltage is present, depress the brake pedal and check for voltage on the other side of the switch. If there's no voltage, replace the switch. If voltage is present but the lights still don't work, look for an open circuit between the switch and the brake lights.

Follow these steps for inspection: Locate the brake light switch on the brake pedal bracket by removing the trim panel beneath the steering column. Understand that the switch opens the brake light circuit when the brake pedal is fully released and closes the circuit when the pedal is depressed to activate the brake lights. If the brake lights are not working, check the fuse and bulbs as a first step.

The brake light switch is located on a bracket at the top of the brake pedal.

If the pedal reserve height is satisfactory, no changes are necessary.

The brake light switch is located on the brake pedal bracket.

If there is voltage to the switch, close the switch (depress the brake pedal) and verify that there's voltage on the other side of the switch. If there's no voltage on the other side of the switch, replace the switch.