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Throttle Position Sensor/Switch: Testing and Inspection


Inspection Of Voltage (Variable Resistance)
1. Connect a circuit tester to terminal 2T of transaxle control module (TCM).
2. Turn the ignition switch ON.
3. Check the voltage.

Voltage Readings:
@ Closed throttle position: 0.1 - 1.1 Volts
@ Wide open throttle: 3.1 - 4.4 Volts


4. If not as specified, replace or adjust the throttle position sensor.

Inspection Of Continuity (Closed Throttle Position Switch)
1. Disconnect the throttle position sensor connector.


Check Continuity As Shown:





2. Connect an ohmmeter to the throttle position sensor terminal IDL and GND.


View: Throttle Opening VS Idle Switch Continuity:





3. Insert a feeler gauge between the stopper and the throttle lever and check the continuity between terminals.
4. If not as specified, replace or adjust the throttle position sensor.

NOTE: Refer to computers and control systems, Throttle Position Sensor, for further information regarding throttle position sensor adjustments or replacement.