0600-O2 Sensor Upstream Connectors May Be Reversed: Notes
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS article.
- When Monitored:
Engine running.
- Set Condition:
Down stream O2 sensors respond to other bank O2 sensor changes.
| Possible Causes |
|---|
| WIRING HARNESS |
| O2 SENSOR OR SENSORS |
| O2 SENSOR HARNESS CONNECTORS SWAPPED |
| ECM |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.