Brake Signal

Tt Voltage Measurement:

- Turn the ignition switch to ON; Do not start the engine.
- Connect a voltage to check connector terminals Tt and E1.
- Depress the accelerator pedal until the Tt terminal indicates 8 V.
- Depress the brake pedal and check the voltage reading from the Tt terminal.

Brake pedal depressed - 0V
Brake pedal released - 8V

- If not as indicated, there is a malfunction in either the stop light switch or circuit.