With Manufacturer's Scan Tool (WDS or NGS Tester)

Diagnostics











Special Tool(s)

On-Board Diagnostic (OBD) With Diagnostic Tool

NOTE: For detailed instruction and other diagnostic methods using the scan tool or equivalent; refer to the scan tool tester manual.

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 (KOEO)
- Quick Test 4.0 - Continuous Memory Codes
- Quick Test 5.0 - Key On, Engine Running (KOER)
- Special Test Modes
- Wiggle Test Mode
- Output Test Mode
- PCM Reset Mode
- Clearing DTCs P1000
- On-Board Diagnostic (OBD) II Drive Cycle
- Other Scan Tool Features
Other diagnostic methods include the following.
- Parameter Identification (PID) Access Mode
- Freeze Frame Data Access Mode
- Oxygen Sensor Monitor Mode