2549-Injector Monitoring Value Above Limit: Notes
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS article.
- When Monitored:
With the engine running.
- Set Condition:
The ECM detects a high limit on one of the injector high-side control circuits.
| Possible Causes |
|---|
| INTERMITTENT DTC |
| FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE |
| FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT SHORTED TO VOLTAGE |
| FUEL INJECTOR HIGH-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| FUEL INJECTOR LOW-SIDE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| FUEL INJECTOR |
| ENGINE CONTROL MODULE (ECM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.