AC/Heater Did a Diagnostics test on my climate control system is all ok? - Civinfo
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post #1 of 1 (permalink) Old 3rd March 2019, 18:36 Thread Starter
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Did a Diagnostics test on my climate control system is all ok?

Evening all

Did a Diagnostics test on my climate control system is all ok?

Did the test two or three times changing the operation modes to make sure all was good?


Thought id share the results with you guys,


Diagnostic Tests
To see what the ECU considers to be the interior temperature, simply turn the temperature up and down until the fan speed is at a minimum.


The diagnostic tests are as follows:

Ignition OFF

Press and hold down the A/C system's Auto and Mode buttons.

Start the engine

Release the buttons


On the A/C - Radio display you'll see the sensor number and the value for that sensor. To advance to the next sensor just press the mirror/rear window defogger button.

1st sensor: Cabin temperature: 14c 15c

2nd sensor: Exterior temperature: 11c 11c

3rd sensor: Solar radiation sensor value (Dark=00, Flashlight=04, Cloudy=10, Sunny=65): 04 04

4th sensor: Temperature of the air exiting the air conditioning evaporator: 13c 16c

5th sensor: Drivers air mix opening (low value indicates cooler air distribution, higher value indicates warmer air distribution) % open: FO 89

6th sensor: Passenger air mix opening (low value indicates cooler air distribution, higher value indicates warmer air distribution) % open: FO 86

7th sensor: Mode positioning % open: S 50 73 FO 25

8th sensor: recirc flap % open: 0 FO

9th sensor: vent output air temperature: 55c 49c 46c

Then did another test:

Other test:

Ignition OFF

Press and hold down the Auto and Recirculation buttons

Ignition into II position

Release the buttons

You'll see the "88" at the A/C temperature. If you see any segmentletter from A to P then it means an error message.

Did this three times and everytime i had the same reading of 88 88

I believe all results are good but let me know if you see something a miss

Here is the link if you need to check your system:

https://www.civinfo.com/wiki/index.p...limate_Control

Cheers

Neil
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