2089-Exhaust Pressure Sensor Signal Implausible: Notes
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .
- When Monitored:
With the ignition on.
| Possible Causes |
|---|
| INTERMITTENT DTC |
| EXHAUST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| EXHAUST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO EXHAUST PRESSURE SENSOR GROUND |
| EXHAUST PRESSURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| EXHAUST PRESSURE SENSOR |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure