Test NF-1A - No Fault Test Code Menu
Check TECHNICAL SERVICE BULLETINS (TSBs) for any pertinent information. If a TSB exists, perform corrective action. If TSB does not exist or if driveability problem still exists after performing TSB, check suspect system and perform the indicated test. Refer to the NO FAULT CODE TEST MENU table. If system causing driveability problem is not known, perform TEST NF-2A through TEST NF-13A in sequence until problem is found.
NO FAULT CODE TEST MENU
| Application | Test |
|---|---|
| Checking Coolant & TPS Calibrations | NF-4A |
| Checking Engine Controller Grounds | NF-9A |
| Checking Engine Mechanical Condition | NF-11A |
| Checking Engine Vacuum | NF-10A |
| Checking Fuel Pressure | NF-3A |
| Checking Idle Speed Motor Operation | NF-7A |
| Checking MAP Sensor Calibration | NF-5A |
| Checking Oxygen (O2) Sensor Switching | NF-6A |
| Checking Park/Neutral Switch (A/T Only) | NF-8A |
| Checking Secondary Ignition & Timing | NF-2A |