Air conditioning (Tempmatic) diagnosis operational check · ad8330p3000b · Mercedes-Benz WIS

AD83.30-P-3000B

Air conditioning (Tempmatic) diagnosis operational check

19.2.98

MODEL 202 as of 1.9.95,
208, 210 with CODE (580) Air conditioning or, for USA, Tempmatic

	Air conditioning (Tempmatic) (TAC) diagnosis, previous knowledge		AD83.30-P-2000B
	Prerequisites for function check, air conditioning (Tempmatic) (TAC)		AD83.30-P-2000-01B
	Function check
Test step/Scope of test	Operation/Requirement	Specified value	Possible cause/Remedy
1 Air drying	Temperature selectors on "white zone" Function button  not illuminated Air distribution switch at 12 o'clock	Air from center level. Air upwards. A/C compressor ON.	Test electrical system: AD83.30-P-6000B Test pneumatics: AD83.30-P-8000-02A AD83.30-P-8000-03A AD83.30-P-8000-04A
2 Normal setting in control mode	Temperature selectors on "white zone" Function button  not illuminated Air distribution switch at 4 o'clock	Air upwards and downwards A/C compressor ON. Flow of temperature-controlled air from center level as well. The duo valve cycles and coolant circulation pump runs at the same time.	Test electrical system: AD83.30-P-6000-08B AD83.30-P-6000-20B AD83.30-P-6000-16C AD83.30-P-6000-16D AD83.30-P-6000-17B AD83.30-P-6000-18B AD83.30-P-6000-19C
3 Economy without heating mode	Temperature selector engaged on "blue" Function button  illuminated Air distribution switch at 9 o'clock	Air from center level (ambient air) A/C compressor OFF.	Test electrical system: AD83.30-P-6000-08B AD83.30-P-6000-16C AD83.30-P-6000-16D
4 Economy in heating mode	Temperature selector engaged on "red" Function button  illuminated Air distribution switch at 4 o'clock	Heated air upwards, downwards and from center level. A/C compressor OFF.	Test electrical system: AD83.30-P-6000-08B AD83.30-P-6000-16C AD83.30-P-6000-16D
5 Residual heat storage system	Ignition: OFF Function button  Temperature selectors on "red zone" Air distribution switch at 4 o'clock	Heated air upwards, downwards and from center level.	Test electrical system: AD83.30-P-6000-20B AD83.30-P-6000-16C AD83.30-P-6000-16D
6 Refrigerating capacity	Refrigerating capacity, function check, TAC		AD83.30-P-3000-01A
7 Control quality and heat output	Control quality and heat output Function check, TAC		AD83.30-P-3000-02A
		Diagnostic tools, air conditioning (Tempmatic) (TAC)	AD83.30-P-2000-04D

Referenced documents

ad8330p200001b Air conditioning (Tempmatic) preconditions for operational check
ad8330p200004d Air conditioning (Tempmatic) diagnosis tools
ad8330p2000b Air conditioning (Tempmatic) diagnosis previous knowledge
ad8330p300001a TAC refrigeration capacity
ad8330p300002a TAC control quality and heating capacity
ad8330p600008b Air conditioning (Tempmatic) test of electrical system refrigerant compressor actuation
ad8330p600016c Tempmatic test of electrical system duovalve
ad8330p600016d Tempmatic test of electrical system duovalve
ad8330p600017b Tempmatic test of electrical system blower controller
ad8330p600018b Tempmatic test of electrical system fresh air / recirculated air flap switchover valve
ad8330p600019c Tempmatic test of electrical system serial interface
ad8330p600020b Tempmatic AC test of electrical system heating water circulation pump
ad8330p6000b Air conditioning (Tempmatic) test of electrical system
ad8330p800002a TAC test of pneumatic system vacuum valve block
ad8330p800003a TAC test of pneumatic system reservoir
ad8330p800004a TAC test of pneumatic system fresh air/recirculated air flap switchover valve