Sensor Range Charts: Introduction
Sensor operating range information is supplied to enable testing of sensor calibration. A sensor which is out of calibration may not set a trouble code. It may, however, cause driveability problems.
NOTE:
For complete test procedures, see appropriate test in I - SYSTEMS/COMPONENT TESTS.
AIR TEMPERATURE SENSOR RESISTANCE
| Application | Ohms |
|---|---|
| 68°F (20°C) | 2280-2870 |
| 176°F (80°C) | 2290-390 |
COOLANT TEMPERATURE SENSOR RESISTANCE
| Application | Ohms |
|---|---|
| 68°F (20°C) | 12100-2900 |
| 176°F (80°C) | 290-350 |
EGR TEMPERATURE SENSOR RESISTANCE
| Application | Ohms |
|---|---|
| 68°F (20°C) | 214,000-313,800 |
| 176°F (80°C) | 21,100-26,500 |
EGR CTO SWITCH OPERATING TEMPERATURES
| Application | Lower °F (°C) | Upper °F (°C) |
|---|---|---|
| Sidekick | 131 (55) | 149 (65) |
MAP SENSOR VOLTAGE OUTPUT
| Altitude (Feet) | Vacuum (in. Hg) | Output Voltage |
|---|---|---|
| 0 | 30 | 3.6-4.4 |
| 1000 | 30 | 3.6-4.4 |
| 2000 | 29 | 3.5-4.2 |
| 3000 | 28 | 3.4-4.1 |
| 4000 | 27 | 3.2-4.0 |
| 5000 | 25 | 3.0-3.7 |
| 6000 | 24 | 2.9-3.6 |
| 7000 | 23 | 2.8-3.4 |
| 8000 | 22 | 2.7-3.3 |
| 9000 | 21 | 2.6-3.2 |
| 10,000 | 20.5 | 2.5-3.1 |
THROTTLE POSITION SENSOR (TPS) RESISTANCE
| Application | Ohms | |
|---|---|---|
| Between terminals C-D | ||
| At Idle | 0-500 | |
| Wide Open Throttle | Infinite | |
| Between terminals A-D | 3500-6500 | |
| Between terminals B-D | ||
| At Idle | 0-2000 | |
| Wide Open Throttle | 2000-6500 | |