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.
2014 Mazda 5 TouringFACTORY OEM SERVICE PROCEDURE
Throttle Position (TP) Sweep Inspection
- Connect the M-MDS to the DLC-2.
- Switch the ignition to ON.
- Verify that none of the following DTCs are displayed:
- P0122:00, P0123:00, P0222:00, P0223:00, P0638:00, P2100:00, P2101:00, P2107:00, P2108:00, P2119:00, P2122:00, P2123:00, P2127:00, P2128:00, P2135:00, P2138:00
- If any one DTC is displayed, perform the DTC inspection. (See DTC TABLE .)
- P0122:00, P0123:00, P0222:00, P0223:00, P0638:00, P2100:00, P2101:00, P2107:00, P2108:00, P2119:00, P2122:00, P2123:00, P2127:00, P2128:00, P2135:00, P2138:00
- Access the TP REL PID.
- Verify that the PID reading is within the TP REL value. (See PCM INSPECTION
.)
- If the PID reading is out of range, perform the following:
- Remove the air duct from the throttle body.
- Verify that the throttle valve opens when the accelerator pedal is depressed.
- If the throttle valve opens, inspect the TP 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:
- TP sensor (See THROTTLE POSITION (TP) SENSOR INSPECTION .)
- 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 body.
- Verify that the throttle valve opens when throttle pedal is depressed.
- If the throttle valve opens, inspect the TP sensor and related wiring harness. (See THROTTLE POSITION (TP) SENSOR INSPECTION .)
- If the throttle valve does not open, inspect the throttle valve actuator control motor and related wiring harness.
- If the PID reading is out of range, perform the followings:
Factory Service Tools
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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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