Diesel Data: Automotive Repair

On-Board Diagnostics With NGS

On-Board Diagnostics with NGS
These quick tests should be used to diagnose the Powertrain Control Module (PCM) and should be carried out in order.
^ Quick Test 1.0-Visual Inspection
^ Quick Test 2.0-Set Up
^ Quick Test 3.0-Key On, Engine Off
^ Quick Test 4.0-Continuous Memory
^ Quick Test 5.0-Key On, Engine Running
^ Special Test Mode
- Wiggle Test Mode
- Output Test Mode
^ PCM Reset Mode
^ Clearing DTCs
^ OBD II Drive Cycle
^ Other NGS Features

Other diagnostic methods include the following:
^ Parameter Identification (PID) Access Mode
^ Freeze Frame Data Access Mode
^ Oxygen Sensor Monitor Mode