DTC P1115-General Temperature Rationality: Notes
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article.
- When Monitored:
Ignition on and battery voltage greater than 10 volts.
- Set Condition:
Ambient Air, Engine Coolant, and Intake Air Temp sensor inputs are compared under cold start conditions. After start up the temp readings are monitored. If two of the three readings agree and the third doesn't, a DTC is stored. Two Trip Fault. Three good trips to turn off the MIL.
| Possible Causes |
|---|
| EXCESSIVE RESISTANCE IN THE SENSOR SIGNAL CIRCUIT |
| EXCESSIVE RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT |
| TEMPERATURE SENSOR |
| PCM |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.