Diagnostics

6F35

Diagnostics


On-Board Diagnostic (OBD) With Scan Tool

NOTE: For detailed instruction and other diagnostic methods using the scan tool or equivalent, refer to the scan tool tester manual and Computers and Control Systems Information.

These Self-Tests should be used to diagnose the PCM and should be carried out in order.

- Self Test - Key ON Engine OFF (KOEO)
- Self Test - Continuous Memory Codes
- Self Test - Key ON Engine Running (KOER)
- Special Test Modes:
- Wiggle Test Mode
- Output Test Mode

- PCM Reset Mode
- Clearing DTCs P1000
- OBD II Drive Cycle
- Other Diagnostic Tool Features

For further information on other diagnostic testing features using the scan tool, refer to Computers and Control Systems Information. Other diagnostic methods include the following.

- PID Access Mode
- Freeze Frame Data Access Mode
- Oxygen sensor Monitor Mode