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 MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISSYMPTOM TROUBLESHOOTING [L3] - ENGINEENGINE CONTROL SYSTEM OPERATION INSPECTIONELECTRONIC THROTTLE CONTROL SYSTEM INSPECTIONTHROTTLE POSITION (TP) SWEEP INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard
Throttle position (TP) sweep inspection
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Throttle position (TP) sweep inspection
- Connect the M-MDS to the DLC-2.
- Turn the ignition switch to the ON position.
- Verify that none of the following DTC are displayed:
- P0122, P0123, P0222, P0223, P0638, P2100, P2101, P2107, P2108, P2119, P2122, P2123, P2127, P2128, P2135, P2138
- If any one DTC is displayed, perform DTC inspection.
- P0122, P0123, P0222, P0223, P0638, P2100, P2101, P2107, P2108, P2119, P2122, P2123, P2127, P2128, P2135, P2138
- Access TP REL PID.
- Verify that the PID reading is within the CTP value. (See
PCM INSPECTION
.)
- If the PID reading is out of range, perform the following:
- Remove the air duct from the throttle valve body.
- Verify that the throttle valve opens when the accelerator pedal is depressed.
- If the throttle valve opens, inspect the throttle position sensor and related wiring harness.
- If the throttle valve does not open, inspect the throttle actuator control motor and related wiring harness.
- If the PID reading is out of range, perform the following:
- Gradually depress the throttle pedal and verify that the PID reading increases accordingly.
- If the PID reading drops momentarily, inspect the following:
- Throttle position sensor
- If the PID reading drops momentarily, inspect the following:
- Fully depress the throttle pedal and verify that the PID reading is within WOT value. (See
PCM INSPECTION
.)
- If the PID reading is out of range, perform the followings:
- Remove the air duct from throttle valve body.
- Verify that the throttle valve opens when throttle pedal is depressed.
- If the throttle valve opens, inspect the throttle position sensor and related wiring harness.
- If the throttle valve does not open, inspect the throttle actuator control motor and related wiring harness.
- If the PID reading is out of range, perform the followings:
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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.