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
2009 Nissan-Datsun Xterra SE, 4WDSECTION Input/Output Signal Chart
INPUT/OUTPUT SIGNAL CHART
| Sensor | Input Signal to ECM | ECM function | Actuator | ||
|---|---|---|---|---|---|
| ASCD brake switch | Brake pedal operation | ASCD vehicle speed control | Electric throttle control actuator | ||
| Stop lamp switch | Brake pedal operation | ||||
| ASCD clutch switch | Clutch pedal operation | ||||
| ASCD steering switch | ASCD steering switch operation | ||||
| Park/Neutral position (PNP) switch | Gear position | ||||
| Wheel sensor | Vehicle speed(1) | ||||
| TCM | Powertrain revolution* | ||||
|
|||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.