Diesel Data: Automotive Repair

NS-2B Checking Throttle Position Sensor


Complete No Start Test 2, Step A, before proceeding.

1. Connect diagnostic read-out tool to engine harness connector and place system into Sensor Test Mode 05.
2. If display is between .5 and 1.5 volts, proceed to Test 2 step C.
3. If display is more than 1.5 volts, replace throttle position sensor.
4. If system will not go into Sensor Test Mode, replace SMEC.