Scan Tester Data
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 1995 GMC Vandura Special, 1995 GMC Vandura, 1995 GMC Suburban, 1995 GMC Rally Camper Special, and 1995 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Information contained in the following table is typical of readings taken on vehicle with engine idling, upper radiator hose hot, throttle closed, transmission in Park or Neutral, closed loop status achieved and all accessories off (except as noted in tables). Not all devices and systems are used on all models. For additional information, see tester owner's manual.
SCAN TESTER DATA
| Tester Position | Units Measured | Nominal Value |
|---|---|---|
| A/C Clutch | On/Off | Off (On With A/C) |
| A/C Request | Yes/No | No/Yes (With Request) |
| Battery Voltage | Volts | 13.5-14.5 |
| Clear Flood | On/Off | See Tester Manual |
| Coolant Temp. | °C | 85-105° (Norm. Temp.) |
| Crank RPM | RPM | 100-900 |
| Cross Counts | Counts | 0-255 |
| Desired RPM | RPM | ECM Desired RPM |
| EGR Actual | 0-100% | 0/Closed-100/Fully Open |
| EGR Desired | 0-100% | 0/Closed-100/Fully Open |
| EGR Duty Cycle | 0-100% | 0/Closed-100/Fully Open |
| Fuel Trim Cell | Cell# | 0 |
| Fuel Trim Enable | Yes/No | No |
| Fuel Trim LT | Counts | 118-138 (128 Normal) |
| Fuel Trim ST | Counts | 110-145 (128 Normal) |
| IAC | Counts | 0-50 |
| IAT | °C | 10-90° |
| Injector Pulse Width | Mil./Sec | .8-3.0 |
| KS Retard | Degrees | 12 |
| Knock Signal | Yes/No | Yes When Knock Exists |
| MAP | Volts | 1 (idle) To 4.5 (WOT) |
| Open/Closed Loop Status | Ol/Cl | Closed/Open During Extended Idle |
| Oxygen Sensor | Millivolts | 100 (Lean) To 999 (Rich) |
| P/N Switch | P/N/RDL | Park/Neutral |
| P/S Switch | Norm/Hi | Normal |
| PROM I.D. | PROM # | Original Factory Number |
| RPM | RPM | Spec. +/-25 RPM Drive (A/T) |
| " | " | Spec. +/-50 RPM Neut. (M/T) |
| Spark Advance | Degrees | 0-20 |
| TCC | On/Off | Off (On With Command) |
| TPS | Volts | .45 (Idle) To 5.0 (WOT) |
| Throttle Angle | 0-100% | 0 (Idle) To 100 (WOT) |
| Trouble Codes | Code # | No codes |
| Upshift Light (M/T) | On/Off | Off |
| VSS Or MPH | MPH | 0-Actual |