DR-18D Checking Throttle Position Sensor

Complete Driveability Test 18, Step C before proceeding.

This test must be performed with engine warm.

1. With diagnostic read-out tool connected to engine test connector, start and stop engine 5 times, then start engine operate at idle speed. Place system into Engine Running Test Mode 69.
2. If display voltage is between 00 and .1 volt, proceed to Test 18 step E.
3. If display voltage is more than .1 volt, replace throttle position sensor.