Cabin Temperature Sensor / Switch: Service and Repair

In-Car Temperature Sensor

Data

Resistance at room temperature 15 °C 15.7 k Ohms ± 0.5 k Ohms
25 °C 10 k Ohms ± 0.5 k Ohms
35 °C 6.5 k Ohms ± 0.5 k Ohms

A. Up to 06/81

Removal







Layout up to 06/81

1 Remove glove-box
2 Disconnect 2-pole coupling from interior temperature sensor (1 I.
3 Pull off vent hose.







In-car temperature sensor up to 06/81

4 Detach in-car temperature sensor lower part down- ward, raising retaining tongues slightly.
5 Remove in-car temperature sensor (1) upward out of instrument panel.

Installation







In-car temperature sensor up to 06/81

6 Test in-car temperature sensor (1 with ohm-meter).
7 Insert in-car temperature sensor (1) from above in instrument panel and secure with lower Part.







8 Connect 2-pole coupling and push vent hose onto in-car temperature sensor lower part. ensuring it is laid free of kinks.
9 Install glove box
10 Check function of automatic heating system.

B. Starting 07/81

Removal







Layout starting 07/81

11 Remove interior lamp at front in roof frame.
12 Unclip cover from in-car temperature sensor.
13 Pull 2-pole coupler from in-car temperature sensor (1).







In-car temperature sensor up to 07/81

14 Pull vent hose from sensor and remove in-car temperature sensor through opening for interior lamp.

Installation







In-car temperature sensor starting 07/81

15 Install in-car temperature sensor (1) through opening of interior lamp and slip-on vent hose.
16 Plug-on 2-pole coupler on sensor.







17 Clip cover on in-car temperature sensor.
18 Install interior lamp front in roof frame.
19 Check automatic heater for function.