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.
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HOMESERVICE MANUALSMAZDA20096 V6-3.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTION
2009 Mazda 6 V6-3.7L
Throttle Position Sensor: Testing and Inspection
2009 Mazda 6 V6-3.7LSECTION Testing and Inspection
THROTTLE POSITION (TP) SENSOR INSPECTION [MZI-3.7]
Sensor Output Value Inspection
1. Verify that no DTC related to APP sensor has been detected.
- If any DTCs related to APP sensor have been detected, perform the DTC inspection. DTC Table [Engine]
2. Switch the ignition to ON.
3. Inspect the following items using the PID/DATA monitor function. Diagnostic Monitoring Test Results
- Verify that the sensor output value is as indicated in the table below according to the condition of the accelerator pedal.
- TP1
- TP2
Specification
- If it cannot be verified, replace the throttle body. Service and Repair
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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.