TP Sensor/Idle Learn With Tech 1

Perform IDLE SPEED CONTROL (ISC) CHECK (4.0L) before performing this procedure. Ensure all accessories are off. Ensure coolant temperature is 176°F (80°C). Install Tech 1 scan tester. Select ISC SYSTEM on Tech 1 scan tester. From MISC TEST mode, select TP SENSOR/IDLE LEARN. Proceed with TP SENSOR/IDLE LEARN functions as directed. PCM memory will be updated with correct throttle angle offset.

NOTE: Ensure accelerator and brake pedals are free from any obstructions while performing TP sensor/idle learn procedure. PCM will not perform learn function with accelerator pedal or brake pedal obstructions.

NOTE: TP sensor/idle learn procedure should be performed with A/C on and with A/C off due to engine load differences.

TP SENSOR ADJUSTMENT VOLTAGE

Application

⁽¹⁾ Volts

3.8L

⁽²⁾ .20-4.00

4.0L

⁽²⁾ .40-5.00

⁽¹⁾	Voltage range is from idle position to wide open throttle position.

⁽²⁾	TP sensor is not adjustable.