Hyundai Venue: Controller / Heater & A/C Control Unit (DATC). Repair procedures
1. |
Self-diagnosis process.

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When operating the self-diagnostics, the below fault(self-diagnostics
code) will blink at 0.5 seconds interval on the temperature
display settings(driver's side only) and the remaining
symbols are OFF .
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2. |
Fault code display
(1) |
Continuance operation : DTC code.

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(2) |
Continuance operation : DTC code.

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(3) |
STEP operation.
A. Nomal or one fault code is same as a continuance operation.
B. DTC code.

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3. |
If fault codes are displayed during the check, Inspect malfunction causes
by referring to fault codes.
Display
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Fail description
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0
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Normal
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11
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Incar sensor OPEN
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12
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Incar sensor SHORT
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13
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Ambient sensor OPEN
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14
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Ambient sensor SHORT
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17
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Evaporator sensor OPEN
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18
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Evaporator sensor SHORT
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19
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Driver temp door potentionmeter OPEN or SHORT
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20
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Driver temp door potentionmeter Error
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21
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Mode door potentionmeter OPEN or SHORT
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22
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Mode door potentionmeter Error
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25
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Intake door potentionmeter OPEN or SHORT
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26
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Intake door potentionmeter Error
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31
|
Auto defog sensor (OPEN)
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Auto defog sensor (SHORT)
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32
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Passenger temp door potensionmeter OPEN or SHORT
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40
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Auto defogging actuator OPEN or SHORT
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41
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Defog door potentiometer Error
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44
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Cluster anion generator Error
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45
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APT CAN Signal Error
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47
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RPM CAN Signal Error
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48
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Vehicle speed CAN Signal Error
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49
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Engine coolant temprature CAN Signal Error
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4. |
Fail safe
No
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Item
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Fault
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Fail Safe
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1
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Incar sensor
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Open or Short
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Control with the value of 25°C (77.0°F)
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2
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Amblent sensor
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Open or Short
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Control with the value of 20°C (67°F)
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3
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Evaporator sensor
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Open or Short
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Control with the value of -2°C (28.4°F)
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4
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Mode door potentiometer
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Open or Short
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Fix vent position, while selecting vent mode.
Fix defrost position, while selecting all except vent mode.
Fix vent position, while selecting IG ON → OFF.
Fix defrost position, while selecting floor purge.
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5
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Temperature door potentiometer (MTC)
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Open or Short
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If temperature setting 1 - 7 step, fix at maximum cooling position.
If temperature setting 8 - 15 step, fix at maximum heating position.
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6
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Temperature door potentiometer (DATC)
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Open or Short
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If temperature setting 17°C(62.6°F) - 24.5°C(76.1°F), fix at maximum
cooling position.
If temperature setting 25°C(77°F) - 32°C(89.6°F), fix at maximum
heating position.
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7
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Intake door potentiometer
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Open or Short
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Fix vent position, while selecting vent mode.
Fix defrost position, while selecting all except vent mode.
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1. |
Disconnect the negative (-) battery terminal.
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2. |
Remove the console upper front garnish.
(Refer to Floor Console - "Floor Console Assembly")
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3. |
Remove the center fascia panel.
(Refer to Body (Interior and Exterior) - "Center Fascia Panel")
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4. |
Remove the audio and AVN head unit.
(Refer to Body Electrical System - "Audio Unit")
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5. |
Loosen the mounting screws and remove the A/C & heater controller unit
(A).

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6. |
Separate the A/C & heater controller unit connector (A) and hose (B).

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7. |
To install, reverse the removal procedure.
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Make sure the connector is connected in properly.
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•
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Replace any damaged clips.
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Other information:
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Categories

1. Door lock/unlock button
2. Outside rearview mirror control switch
3. Central door lock switch
4. Power window switches
5. Power window lock switch
read more