mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

With SST-Engine Signal Monitor|Page 2366 > < With SST-Engine Signal Monitor|Page 2363
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Throttle Position Sensor: Adjustments
With SST-Engine Signal Monitor

THROTTLE POSITION SENSOR

Adjustment Using SSTs (Monitor, Engine Signal and Adapter Harness)

1. Remove the ECM. 

2. Connect the SSTs (Monitor, Engine Signal and Adapter Harness) to the ECM.

3. Verify that the throttle valve is at the closed throttle position.
4. Turn the ignition switch to ON.

5. Rotate the throttle link by hand and verify that the ECM terminal 3F voltage is as specified.

Specification:
-

Closed throttle position: 0.1 - 1.1V 

-

Wide open throttle: 2.8 - 4.5 V 

-

(Verify that the voltage increase is directly proportioned to the throttle valve opening angle.) 

6. If not as specified, replace the throttle position sensor.

With SST-Engine Signal Monitor|Page 2366 > < With SST-Engine Signal Monitor|Page 2363