Diagnostic Aids
NOTE:
After each service or repair procedure has been completed, reconnect all components. Clear DTCs and repeat QUICK TEST procedures to ensure all EEC-V systems are working properly and DTCs are no longer270 present.
NOTE:
Proceed to DTC testing steps listed in FAULT CODE SETTING CONDITION table of fault code setting condition.
FAULT CODE SETTING CONDITION
| Fault Code | KOEO | KOER | Continuous Memory |
|---|---|---|---|
| P1270 | ND1 |
Perform this test when instructed during QUICK TEST or if directed by other test procedures.
- 1) Continuous Memory DTC P1270: Excessive Engine RPM/Vehicle Speed
This DTC indicates that vehicle was operated in a manner which caused engine or vehicle speed to exceed a calibrated limit. Possible causes are:- Wheel Slippage Caused By Mud, Ice, Water, Snow, Etc.
- Excessive Engine RPM In Neutral
- Vehicle Driven At Excessive Rate Of Speed
If any of the specified causes have occurred, system is okay. Clear PCM memory. Ensure vehicle owner has an understanding of what causes DTC P1270 to set. If none of specified causes have occurred, clear PCM memory. Check for other driveability problems. See SYMPTOMS under TROUBLE SHOOTING - NO CODES - EEC-V (GASOLINE) article. Repair as necessary. If no other problems are present, return vehicle to customer.