Inspection & Verification: Summary
WARNING: This page is about a different car, the 1997 Mercury Grand Marquis and 1997 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Verify charging system, fuel system, safety belt warning chime, turn signals, headlights and cruise control are working properly. Inspect wiring harness for obvious signs of shorts, opens, bad connections or damage. If inspection reveals obvious concerns that can be readily identified, repair as necessary and re-inspect system. If customer concern remains after inspection, go to TEST SYMPTOM INDEX table.
TEST SYMPTOM INDEX
| Symptom | Possible Cause | Test |
|---|---|---|
| Display Inoperative/Erratic | Fuse, Wiring, Printed Ckt | A |
| Fuel Gauge Inaccurate | Sensor, Gauge, Wiring, Printed Ckt | B |
| Temp. Gauge Inaccurate | Gauge, Sending Unit, Wiring, Printed Circuit | C |
| Oil Pressure Inaccurate | Pressure Sensor, Wiring,Gauge, Printed Circuit | D |
| Charge Indicator Inaccurate | Bulb, Generator, Wiring, Printed Circuit | E |
| Speedometer/Odometer Inaccurate | Speedometer, VSS, Wiring | F |
| Brake Warning Never/Always On | Bulb, Wiring, Printed Ckt, DRL Module, Parking Brake Switch CKt | G |
| Air Bag Warning Never/Always On | " | AIR BAG RESTRAINT SYSTEM |
| Anti-Lock Warning Never/Always On | " | ANTI-LOCK BRAKE SYSTEM |
| Left Indicator Never/Always On | Bulb, Wiring, Printed Ckt | H |
| Right Indicator Never/Always On | Bulb, Wiring, Printed Ckt | J |
| High Beam Warning | " | " |
| Never/Always On | Bulb, Wiring, Printed Ckt | K |
| MIL Never/Always On | " | See appropriate ENGINE PERFORMANCE article |
| Seat Belt Warning Never/Always On | Bulb, Fuse, Wiring, Printed Circuit | L |