Resistance inspection
NOTE:
- Because the IAT sensor No. 1 is integrated in the MAF sensor, replacing the IAT sensor No. 1 includes replacement of the MAF sensor/IAT sensor No. 1.
- Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
- Disconnect the MAF sensor/IAT sensor No. 1 connector.
- Measure the resistance between MAF sensor/IAT sensor No. 1 terminals A and B.
- If not as specified, replace the MAF sensor/IAT sensor No. 1. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION .)
RESISTANCE SPECIFICATION
| IAT (°C {°F}) | Resistance (Kilohms) |
|---|---|
| -20 {-4} | 13.7-16.6 |
| 20 | 2.49-2.79 |
| 60 | 0.622-0.703 |