TP Sensor/Idle Learn With Tech 1

WARNING: This page is about a different car, the 1995 Oldsmobile Aurora and 1995 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.

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.