Removing and installing heat exchanger temperature sensor - ra83001400885x(0885)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Model 140
| Control unit | Remove (Control unit for rear air conditioner ). |
| Heat exchanger temperature sensor | Pull out. |
| B10/9 or B10/10 | |
| 2-pole coupling | Detach. |
| Heat exchanger temperature sensor | |
| B10/9 or B10/10 | Check, renew if required. |
| Install | In reverse sequence. |
| Rear air conditioner | Perform function check. |
Erase fault memory in the control unit (Diagnosis manual - air conditioning). |
TEST VALUES
| Sensor temperature in °C | Resistance in kΩ |
|---|---|
| +10 | 18.2 - 22.0 |
| +15 | 14.3 - 17.2 |
| +20 | 11.5 - 13.5 |
| +25 | 9.1 - 10.9 |
| +30 | 7.3 - 8.7 |
| +35 | 6.0 - 7.0 |
| +40 | 4.9 - 5.7 |
| +45 | 4.0 - 4.7 |
COMMERCIALLY AVAILABLE TESTER
| Multimeter | e.g. SUN, DMM-5 |