DTC 226: In-Vehicle Temperature Sensor
WARNING: This page is about a different car, the 1997 Mercedes-Benz C280 and 1997 Mercedes-Benz C230. However, it is still accessible from the selected car via links, so may be relevant.
Connect socket box and 5-connector test cable to ACC push-button control unit left connector. See Figure. Ensure right connector is disconnected. Turn ignition off. Connect ohmmeter negative lead to socket box terminal No. 23 and ohmmeter positive lead to terminal No. 16. See IN-VEHICLE TEMPERATURE SENSOR CIRCUIT SPECIFICATIONS . If readings are incorrect, check in-vehicle temperature sensor circuit. If circuit is okay, replace in-vehicle temperature sensor. See Figure.
IN-VEHICLE TEMPERATURE SENSOR CIRCUIT SPECIFICATIONS
| Temperature °F (°C) | Specifications |
|---|---|
| 50 (10) | 19,000-21,000 Ohms |
| 68 (20) | 11,900-13,000 Ohms |
| 86 (30) | 7700-8400 Ohms |
| 113 (45) | 4200-4600 Ohms |