Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Input/Output Signal Chart
|
Sensor |
Input signal to ECM |
ECM function |
Actuator |
|
ASCD steering switch |
ASCD steering switch operation |
ASCD vehicle speed control |
Electric throttle control actuator |
|
Brake pedal position switch |
Brake pedal operation |
||
|
Stop lamp switch |
|||
|
Clutch pedal position switch |
Clutch pedal operation |
||
|
Transmission range switch |
Gear position |
||
|
Park/neutral position (PNP) switch |
PNP signal |
||
|
Combination meter |
Vehicle speed signal* |
||
|
TCM |
Output shaft revolution signal* |
*: This signal is sent to the ECM via the CAN communication line
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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