System Tests: Notes
NOTE:
These test procedures are only to be performed when referenced from another procedure. DO NOT perform these tests unless referenced to do so.
GENERAL TEST INDEX
| Test | Used To Diagnose |
|---|---|
| VEHICLE REFERENCE VOLTAGE | VREF Malfunctions |
| TACHOMETER OUTOUT FAILURE | Clean Tachometer Output Malfunctions |
| MALFUNCTION INDICATOR LAMP | MIL Malfunctions |
| INTERMITTENT | Intermittent Concerns |
| FUEL DELIVERY SYSTEM | Fuel Delivery Concerns |
| POSITIVE CRANKCASE VENTILATION SYSTEM | PCV System |
| PCM POWER RELAY | Electronic Engine Control Power Relay Failure |
| CRANKSHAFT POSITION SENSOR | CKP Sensor, Harness & PCM Malfunctions |
| FUEL PRESSURE REGULATOR | Fuel Pressure Regulator Function |
| FUEL PUMP INSPECTION | Fuel Pump Function |
| FUEL LINE PRESSURE/FUEL PRESSURE HOLD INSPECTION | Fuel Line Pressure & Pressure Hold |
| FUEL INJECTOR INSPECTION | Fuel Injector Concerns |
| EGR VALVE | EGR Valve |
| EGR VACUUM REGULATOR | EGR Vacuum Regulator Solenoid |
| DIFFERENTIAL PRESSURE FEEDBACK EGR SENSOR | Differential Pressure Feedback EGR Sensor |
| NO START | No Start Condition |
| IGNITION SCOPE PINPOINT | Ignition Coil Malfunction & Misfires |