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 MANUALSMAZDA2010CX-7 AWD L4-2.3L TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSELECTRONIC THROTTLE ACTUATORTESTING AND INSPECTION
2010 Mazda CX-7 AWD L4-2.3L Turbo
Electronic Throttle Actuator: Testing and Inspection
2010 Mazda CX-7 AWD L4-2.3L TurboSECTION Testing and Inspection
THROTTLE ACTUATOR INSPECTION [L3 WITH TC]
NOTE:
- Perform the following inspection only when directed.
Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the throttle body connector.
3. Measure the resistance between the throttle actuator terminals using a tester.
- If not as specified, replace the throttle body. (See Service and Repair.)
- If as specified, carry out the "Circuit Open/Short Inspection".
Specification
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See Service and Repair.)
2. Inspect the following wiring harnesses for an open or short circuit (continuity check).
Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Throttle actuator terminal F and PCM terminal 2A
- Throttle actuator terminal E and PCM terminal 2B
Short circuit
- If there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Throttle actuator terminal F and power supply
- Throttle actuator terminal F and ground
- Throttle actuator terminal E and power supply
- Throttle actuator terminal E and ground
RENDER: 1.0x
NO RELATED
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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.