Test NF-1A - No Fault Code Test Menu
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For appropriate wiring diagram, see WIRING DIAGRAMS
.
Check TECHNICAL SERVICE BULLETINS (TSBs) for any pertinent information relating to driveability problems. If a TSB exists, perform corrective action. If TSB does not exist or if driveability problem still exists, check suspect system and perform indicated test. See NO FAULT CODE TEST MENU table. If system causing driveability problem is not known, perform TEST NF-2A through TEST NF-12A in sequence until problem is found.
NO FAULT CODE TEST MENU
| Application | Test |
|---|---|
| Checking Secondary Ignition & Timing | NF-2A |
| Checking Fuel Pressure | NF-3A |
| Checking Coolant & TPS Calibrations | NF-4A |
| Checking MAP Sensor Calibration | NF-5A |
| Checking Oxygen Sensor Switching | NF-6A |
| Checking Automatic Idle Speed Motor | NF-7A |
| Checking Park/Neutral Switch (A/T Only) | NF-8A |
| Checking SBEC Grounds & Power Circuits | NF-9A |
| Checking Engine Vacuum | NF-10A |
| Checking Minimum Idle Airflow | NF-11A |
| Checking Knock Sensor Circuit | NF-12A |
| Checking Engine Mechanical | NF-13A |