AC blows hot on drivers side cold on passenger side

This may take a while.
#1 to #9 are what you need for the database. The rest are just trash.
After I got my 1st S, I always wonder if I should go with the newer E. Well, I got my answer this week. I still like my older S more than this newer E.
The Best of Mercedes & AMG
Nr.00 +20,9 Nr.06 +75
01 +22,5 07 12,2 bar
02 +37 08 +40,7
03 +11 09 +9.8k
04 +45 10 5,8v
05 +4,4
What about the temp readings below?
Rest button with AC on:
0 AAC in-car temperature sensor (operating module)
1 Overhead control panel for in-car temperature sensor
2 Outside temperature sensor
3 Left heater-exchanger in car temperature sensor
4 Right heater-exchanger in-car temperature sensor
5 Evaporator core sensor
6 Engine temperature
N Refrigerant pressure
8 R134A refrigerant in-car temperature sensor
10 Blower control voltage
15 Average insolation value between 0 and 125%
16 Carbon monoxide value between 0 and 1023
17 Nitrogen oxide value between 0 and 1023
18 Dew point temperature
20 Fan output value between 0 and 100%
21 Engine speed
22 Ground speed
24 Battery voltage
27 Left hand potentiometer engine speed value between 0 and 100%
28 Centre potentiometer engine speed value between 0 and 100%
29 Right hand potentiometer engine speed value between 0 and 100%
30 Temp of blow air in left rear passenger-compartment
31 Temp of blow air in left rear passenger-compartment
32 Temp of evaporator core in rear passenger compartment
33 Blower voltage in rear passenger-compartment
34 Specified temperature in left rear passenger-compartment
35 Specified temperature in right rear passenger-compartment
40 Left hand defroster door value (open/closed plain text at limit stop)
41 Right hand defroster door value (open/closed plain text at limit stop)
42 Left hand footwell flap value between 0 and 100%
43 Right hand footwell flap value between 0 and 100%
44 Left hand blend flap value between 0 and 100%
45 Right hand blend flap value between 0 and 100%
46 Left hand diverter flap 0 and 100%
47 Right hand diverter flap value 0 and 100%
48 Recirculation door 0 and 100%
49 AKF bypass flap 0 and 100%
50 AAC Software
51 AAC Hardware
52 Software for rear passenger compartment air conditioning
53 Hardware for rear passenger compartment air conditioning
54 Software for stepper motor unit
55. Hardware for stepper motor unit
56 Software for centre nozzle
57 Hardware for center nozzle
58 Software for multifunction sensor
59 Hardware for multifunction sensor
60 Sofware for day-brightness sensor
61 Hardware for day-brightness sensor
Nr.00 +22 Nr.06 +80
01 +22,5 07 12,2 bar
02 +35 08 +41
03 +7 09 +8k
04 +4 10 3,0v
05 +4
Is 04 a typo 4.5 and not 45?
Perhaps we haven't swapped the sensors yet as they placed after the plugs #18 and #19?
Nr.00 + 22,6c
Nr.01 +24,7c
Nr.02 +44c
Nr.03 +49c
Nr.04 +15c
Nr.05 +5,3c
Nr.06 +81c
Nr.07 13,3 bar
Nr.08 +44,2c
Nr.09 +9,3k
Nr.10 5,8v
Nr.00 + 22,6c
Nr.01 +24,7c
Nr.02 +44c
Nr.03 +49c
Nr.04 +15c
Nr.05 +5,3c
Nr.06 +81c
Nr.07 13,3 bar
Nr.08 +44,2c
Nr.09 +9,3k
Nr.10 5,8v
Plugs swapped;
Nr.03 +14c
Nr.04 +51c
Plugs in original position;
Nr.03 +49c
Nr.04 +15c
With this info i would say sensors are working like they should. They are reading acual air temp
On a separate note, I found the sensor location for my rear unit. Haha!
as mentioned before: check the voltage at the duo-valve solenoids, must be the same for both under same selections on control panel.
IF we are talking about cars with the REAR ac, note that the (separate) duo-valve for that one is in the right forward fender (incorrectly described in the WIS).
as mentioned before: check the voltage at the duo-valve solenoids, must be the same for both under same selections on control panel.
A used unit could be just as bad, as these duo-valve are notorious to stick.
Proper trouble shooting is advised here, before going into sensors.
The solenoids can be removed to check for corrosion at the springs, and the solenoid plugs can be disconnected/connected to test for function, after verifying voltage at the plugs.
A used unit could be just as bad, as these duo-valve are notorious to stick.
Proper trouble shooting is advised here, before going into sensors.
The solenoids can be removed to check for corrosion at the springs, and the solenoid plugs can be disconnected/connected to test for function, after verifying voltage at the plugs.


