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Home >> Mazda >> 2006 >> Mazdaspeed6 L4-2.3L Turbo >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Electronic Throttle Actuator >> Testing and Inspection >> Throttle Actuator Inspection
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Throttle Actuator Inspection

THROTTLE ACTUATOR INSPECTION

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
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection







1. Disconnect the PCM connector.
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 4Y
- Throttle actuator terminal E and PCM terminal 4AB

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
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