"W" Body
SCAN DATA - TYPICAL DATA VALUES - "W" BODY
| "Scan" Position |
Units Displayed |
Typical Data Values |
| Engine RPM |
RPM |
--> ± 50 RPM from desired RPM in DRIVE (A/T) |
| Desired RPM |
RPM |
ECM idle command (Varies with temperature) |
| Coolant Temperature |
F°/C° |
185°-221°F (85°-105°C) |
| IAT/MAT |
F°/C° |
50°-194°F (10°-90°C) Depends on underhood temperature |
| MAP |
kPa/Volts |
29-48 kPa 1-2 Volts (Depends on mani- fold vacuum and barometer pressure) |
| BARO |
kPa/Volts |
Varies with baro- meter pressure (as sensed by the MAP Sensor) |
| Throt Position |
Volts |
0.35-1.33 |
| Throttle Angle |
0 - 100% |
0 |
| O2 |
Volts |
0.1-1 and varies |
| Injector Pulse Width |
Milliseconds |
0.8-3.0 |
| Spark Advance |
Degrees |
Varies |
| Fuel Integrator |
Counts |
110-145 |
| Block Learn |
Counts |
118-138 |
| Open/Closed Loop |
Open/Closed |
Closed Loop (May go open with extended idle) |
| IAC |
Counts (Steps) |
1-50 |
| Park/Neutral |
P-N and P-DL |
Park/Neutral (P/N) |
| MPH/KPH |
0-255 |
0 |
| TCC/Shift Light |
ON/OFF |
OFF |
| A/C Request |
YES/NO |
NO (YES, with A/C requested) |
| A/C Clutch |
ON/OFF |
OFF (ON, with A/C commanded on) |
| Low A/C Pressure Switch |
Normal/Low Pressure |
Normal |
| Cooling Fan Relay |
ON/OFF |
OFF (ON with coolant temperature above 223°F (106°C) or A/C commanded ON) |
| Ign/Batt Voltage |
Volts |
13.5-14.5 |
| Power Steering |
Normal/High Pressure |
Normal |