AIR TEMPERATURE SENSOR
Note. Air temperature sensor may be referred to as intake air temperature sensor.
Air temperature sensor is located in air intake, near air filter. Measure resistance between sensor terminals. For resistance specifications (Scheme 1)
Scheme 1
COOLANT TEMPERATURE SENSOR
Note. Coolant temperature sensor may also be referred to as Engine Coolant Temperature (ECT) sensor.
Measure coolant temperature sensor resistance between sensor terminals. For resistance specifications (Scheme 2)
Scheme 2
EGR GAS TEMPERATURE SENSOR
| Temperature - °F (°C) | K/Ohms |
|---|---|
| 122 (50) | 69.4-88.5 |
| 212 (100) | 11.8-14.3 |
| 302 (150) | 2.8-3.6 |
| (1) For terminal identification and testing, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section. | |
| (1) | For terminal identification and testing, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section. |
EGR GAS TEMPERATURE SENSOR SPECIFICATIONS (1)
MANIFOLD ABSOLUTE PRESSURE SENSOR
Note. See VACUUM SENSOR section in this article.
OXYGEN SENSOR HEATER
| Application | Ohms |
|---|---|
| Paseo | 5.1-6.3 @ 68°F (20°C) |
| (1) Measure resistance between sensor terminals +B and HT. For terminal identification, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section. | |
| (1) | Measure resistance between sensor terminals +B and HT. For terminal identification, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section. |
OXYGEN SENSOR HEATER RESISTANCE SPECIFICATIONS (1)
THROTTLE POSITION SENSOR
Note. For terminal identification and testing procedures, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section.
| Application Type | Clearance In. (mm) | Terminals Tested | Ohmmeter Reading |
|---|---|---|---|
| 1.5L (1) | 0 (0) | VTA & E2 | 200-5700 |
| " | .020 (.51) | IDL & E2 | 2300 Or Less |
| " | .028 (.71) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2000-10,200 |
| " | " | VC & E2 | 2500-5900 |
| (1) On A/T and California models, apply vacuum to throttle opener before checking TPS. | |||
| (1) | On A/T and California models, apply vacuum to throttle opener before checking TPS. |
TPS RESISTANCE SPECIFICATIONS
VACUUM SENSOR
Note. Vacuum sensor may also be referred to as Manifold Absolute Pressure (MAP) sensor. For testing procedures, see I - SYS/COMP TESTS article in the ENGINE PERFORMANCE section.
| Application | Voltage |
|---|---|
| Paseo | 4.00-6.00 |
VACUUM SENSOR SUPPLY VOLTAGE SPECIFICATIONS
| Applied Vacuum: In. Hg | Output Voltage Drop |
|---|---|
| 3.94 | .3-.5 |
| 7.87 | .7-.9 |
| 11.81 | 1.1-1.3 |
| 15.75 | 1.5-1.7 |
| 19.69 | 1.9-2.1 |
VACUUM SENSOR OUTPUT VOLTAGE DROP SPECIFICATIONS