Test NTC-1A - No DTC Test Menu
WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
- Check all related Tech Service Bulletins (TSBs) and perform corrective action as necessary. To perform a no DTC complete test on monitored and non-monitored circuits, perform TEST NTC-2A through TEST NTC-16A in sequence until driveability problem is found. See NO DTC MENU table below.NO DTC MENU
Engine Controller System Test CHECKING SECONDARY IGNITION & TIMING NTC-2A CHECKING FUEL PRESSURE NTC-3A CHECKING FUEL INJECTORS NTC-4A CHECKING COOLANT SENSOR CALIBRATION NTC-5A CHECKING TP SENSOR CALIBRATION NTC-6A CHECKING MAP SENSOR CALIBRATION NTC-7A CHECKING OXYGEN SENSOR SWITCHING NTC-8A CHECKING OXYGEN SENSOR HEATER NTC-9A CHECKING IDLE AIR CONTROL MOTOR NTC-10A CHECKING PARK/NEUTRAL SWITCH NTC-12A CHECKING PCM GROUNDS & POWER CIRCUIT NTC-13A CHECKING ENGINE VACUUM NTC-15A PERFORMING NO DTC MECHANICAL TEST NTC-16A - A no DTC quick individual test can be performed on any suspected individual no DTC menu item that may be causing vehicle's driveability problem. See NO DTC MENU table. If driveability problem has not been corrected after performing individual test, return to NO DTC MENU table to perform another individual test or perform a no DTC complete test to test all items in NO DTC MENU table.
- A no DTC quick symptom test can be performed if driveability problem characteristic actually occurs while vehicle is being tested. To reduce diagnostic time, perform TEST TC-1A before attempting to diagnose a symptom. Select symptom that most accurately describes vehicle's driveability problem, then perform TEST that pertains to that symptom. See DRIVEABILITY SYMPTOMS & TESTS table below.
DRIVEABILITY SYMPTOMS & TESTS
| Symptom | Test | ||
|---|---|---|---|
| HARD START | NTC-2A , 3A -8A , 13A , 15A & 16A | ||
| START & STALL | NTC-2A , 3A -8A , 13A & 16A | ||
| HESITATION/SAG/STUMBLE | (1) | ||
| SURGE | NTC-2A , 3A -8A , 13A & 16A | ||
| LACK OF POWER/SLUGGISH | NTC-2A , 3A -8A , 13A , 15A & 16A | ||
| SPARK KNOCK/DETONATION | NTC-2A , 3A -8A | ||
| SPARK KNOCK/DETONATION | 13A & 16A | ||
| CUTS OUT/MISSES | NTC-2A , 3A , 4A , 7A , 8A , | ||
| CUTS OUT/MISSES | 13A , 15A & 16A | ||
| BACKFIRE/POP-BACK | NTC-2A , 3A -7A , 13A , 15A & 16A | ||
| RUNS ROUGH/UNSTABLE/ERRATIC IDLE | (1) | ||
| POOR FUEL ECONOMY | (1) | ||
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