Sensor Operating Range Charts
NOTE:
Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance.
ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| 32 (0) |
5000-8000 |
| 50 (10) |
3000-5000 |
| 68 (20) |
2000-3000 |
| 86 (30) |
1500-2000 |
| 104 (40) |
1000-1500 |
| 122 (50) |
700-1000 |
| 140 (60) |
600-800 |
| 158 (70) |
300-600 |
| 176 (80) |
260-400 |
HEATED OXYGEN SENSOR VOLTAGE
| Condition |
Volts |
| Lean |
.1 |
| Rich |
.9 |
INTAKE AIR TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| 32 (0) |
5000-8000 |
| 50 (10) |
3000-5000 |
| 68 (20) |
2000-3000 |
| 86 (30) |
1500-2000 |
| 104 (40) |
1000-1500 |
| 122 (50) |
700-1000 |
| 140 (60) |
600-800 |
| 158 (70) |
300-600 |
| 176 (80) |
260-400 |