Engine Controls - Sensor Operating Range Charts: Introduction: Notes
Sensor operating range information can help determine if a sensor is out of calibration. An out-of-calibration sensor may not set a trouble code, but it may cause driveability problems.
NOTE:
Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance. For connector and terminal identification, see WIRING DIAGRAMS
article in the ENGINE PERFORMANCE Section. AIRFLOW METER HERTZ TEST
| Condition |
Hz |
| Diamante |
| 700 RPM |
25-50 |
| 2000 RPM |
65-105 |
| Eclipse |
| 1.8L |
| 700 RPM |
25-40 |
| 2000 RPM |
67-88 |
| 2.0L |
| 750 RPM |
25-50 |
| 2000 RPM |
| Non-Turbo |
70-90 |
| Turbo |
60-85 |
| Expo/Expo LRV |
| 1.8L |
| 750 RPM |
23-49 |
| 2000 RPM |
51-91 |
| 2.4L |
| 750 RPM |
34-60 |
| 2000 RPM |
70-110 |
| Galant |
| SOHC |
| 750 RPM |
25-50 |
| 2000 RPM |
70-130 |
| DOHC |
| 750 RPM |
| Non-Turbo |
25-50 |
| Turbo |
30-50 |
| 2000 RPM |
| Non-Turbo |
60-90 |
| Turbo |
50-80 |
| Mirage |
| 1.5L |
| 750 RPM |
30-45 |
| 2000 RPM |
80-110 |
| 1.6L |
| 750 RPM |
27-33 |
| 2000 RPM |
60-80 |
| Montero |
| 700 RPM |
27-48 |
| 2000 RPM |
60-100 |
| Pickup |
| 2.4L |
| 750 RPM |
40-60 |
| 2000 RPM |
85-105 |
| 3.0L |
| 700 RPM |
25-45 |
| 2000 RPM |
70-90 |
| Precis |
| 750 RPM |
27-33 |
| 2000 RPM |
60-80 |
| 3000GT |
| 700 RPM |
25-50 |
| 2000 RPM |
70-100 |
AIRFLOW METER VOLTAGE TEST
| Condition |
Volts |
| Colt, Colt 200, Ram-50 & Summit |
| 750-2000 RPM |
2.2-3.2 |
| Stealth |
| 700 RPM |
0-1.0 |
| 3000 RPM |
6.0-9.0 |
BAROMETRIC PRESSURE SENSOR VOLTAGE TEST
| Altitude Ft. (m) |
Volts |
| Colt, Colt 200, Summit |
| 0 (0) |
3.7-4.3 |
| 3937 (1200) |
3.2-3.8 |
| Colt Vista, Summit Wagon |
| 0 (0) |
3.7-4.3 |
| 3937 (1200) |
3.2-3.8 |
| Ram-50, Stealth & 3000GT |
| 0 (0) |
3.7-4.3 |
| 3937 (1200) |
3.2-3.8 |
BAROMETRIC PRESSURE SENSOR VACUUM TEST
| Altitude Ft. (m) |
In. Hg |
| Eclipse, Mirage & Precis |
| 10 (0) |
30 |
| 1969 (600) |
28 |
| 3937 (1200) |
26 |
| 5906 (1800) |
24 |
| Diamante, Expo/Expo LRV & Galant |
| 10 (0) |
30 |
| 1969 (600) |
28 |
| 3937 (1200) |
26 |
| 5906 (1800) |
24 |
| Montero & Pickup |
| 10 (0) |
30 |
| 1969 (600) |
28 |
| 3937 (1200) |
26 |
| 5906 (1800) |
24 |
COOLANT TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| Eclipse |
| 68 (20) |
2200-2600 |
| 176 (80) |
264-328 |
| Galant, Mirage, Ram-50 2.4L & Pickup 2.4L |
| 32 (0) |
5900 |
| 68 (20) |
2500 |
| 104 (40) |
2700 |
| 176 (80) |
300 |
| All Others |
| 32 (0) |
5800 |
| 68 (20) |
2400 |
| 104 (40) |
1100 |
| 176 (80) |
300 |
EGR TEMPERATURE SENSOR RESISTANCE TEST
| Temperature °F (°C) |
Ohms |
| 122 (50) |
60-83 |
| 212 (100) |
11-14 |
INTAKE AIR TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| Precis |
| 32 (0) |
5400-6600 |
| 68 (20) |
2300-2970 |
| 176 (80) |
310-430 |
| All Others |
| 32 (0) |
6000 |
| 68 (20) |
2700 |
| 176 (80) |
400 |