Intake Air Temperature (IAT) Sensor
Note IAT sensor location. See IAT SENSOR LOCATION table. Using ohmmeter, check resistance across IAT sensor terminals. Replace IAT sensor if resistance is not within specification. See IAT SENSOR RESISTANCE SPECIFICATIONS table.
IAT SENSOR LOCATION
| Application | Location | ||
|---|---|---|---|
| Metro | (1) Inside Air Cleaner Case | ||
|
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IAT SENSOR RESISTANCE SPECIFICATIONS
| Temperature °F (°C) | Ohms |
|---|---|
| 0 (-18) | 14,650 |
| 19 (-7) | 8100 |
| 39 (4) | 4780 |
| 70 (21) | 2350 |
| 100 (38) | 1250 |
| 160 (71) | 400 |
| 210 (99) | 190 |
MAP SENSOR WIRE TERMINAL IDENTIFICATION
| Application | Supply Voltage Wire Color | Signal Voltage Wire Color |
|---|---|---|
| Metro | Light Green | Light Green/Red |
PARK/NEUTRAL POSITION SWITCH CONTINUITY
| Gear Position | Wire Colors |
|---|---|
| Park | Yellow, Black, Blue/White & Orange/Black |
| Reverse | Yellow, Red & Red |
| Neutral | Yellow, Black, Blue & Orange/Yellow |
| Drive | Yellow, Black, Green & Green/Red |
| 2nd Gear | Yellow, Black, Green/Red & Green |
| Low | Yellow, Black, Green/Blue & Green/Blue |