MX-5 Miata L4-1.8L DOHC (1996)
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Disconnect the throttle position sensor connector.
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Loosen the throttle position sensor screws.
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Rotate the throttle position sensor and adjust continuity between the sensor terminals A and B as shown.
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Tighten the throttle position sensor screws.
Tightening torque: 1.6 - 2.3 Nm (14 - 20 in lbs.)
THROTTLE POSITION SENSOR
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Connect the SSTs (Engine Signal Monitor) to the ECM.
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Verify that the throttle valve is at the closed throttle position.
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Loosen the attaching screws.
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Turn the ignition switch to ON.
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Adjust the throttle position sensor so that the ECM terminal 3F voltage is as specified.
Specification:
Closed throttle position: 0.1 - 1.1 V
Wide open throttle: 3.1 - 4.5 V
(Verify that the voltage increase is directly proportioned to the throttle valve opening angle.)
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Tighten the attaching screws.
Tightening torque: 1.6 - 2.3 Nm (14 - 20 in lbs.)
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If not adjusted, inspect the throttle position sensor harness.
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If the harness is OK, replace the throttle position sensor.