Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Controller / Heater & A/C Control Unit (Manual)

Components and components location
Components
[This illustration shows the LHD type. RHD type is symmetrical.]

[Connector A]
Pin No
Function
Pin No
Function
1
Low (Register specifications)
4
Middle Low (Register specifications)
2
Common (Register specifications)
5
Middle High (Register specifications)
3
Ground (Register specifications)
6
High (Register specifications)

[Connector B]
Pin No
Function
Pin No
Function
1
Battery (+)
21
IGN2
2
ISG B+
22
IGN1
3
ILL+ (TAIL)
23
Blower IS (PWM specifications)
4
Sensor REF (+5V)
24
-
5
Mode control actuator (Feedback)
25
-
6
Temperature control actuator (Feedback)
26
-
7
Intake actuator (Feedback)
27
Blower Max. On signal (Register specifications)
8
EVAP sensor (+)
28
-
9
AMB sensor (+)
29
PTC relay
10
Mode control actuator (Vent)
30
-
11
Mode control actuator (DEF)
31
-
12
Temperature control actuator (Cool)
32
-
13
Temperature control actuator (Warm)
33
P_CAN High
14
Intake actuator (FRE)
34
P_CAN Low
15
Intake actuator (REC)
35
Blower INH (PWM specifications)
16
HDT
36
Blower PWM (In) (PWM specifications)
17
-
37
ECV (+)
18
-
38
ECV (-)
19
Blower signal (On) (Register specifications)
39
Sensor ground
20
ILL- (RHEO)
40
Ground

Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body (Interior and Exterior) - "Crash Pad Lower Panel")
3.
Remove the steering column shroud upper panel (A).

4.
Remove the gear knob & boots (A) pull both of it up.

5.
Using a screwdriver or remover, remove the floor console side garnish (A).

6.
Remove the parking brake cover (A).

7.
Using a screwdriver or remover, remove the console upper cover (A).

8.
Using a screwdriver or remover, remove the crash pad garnish [CTR] (A).

9.
After loosening the mounting screws, remove the A/C & heater controller unit (A).

10.
Disconnect the A/C & heater controller connectors (A).

11.
To install, reverse the removal procedure.
   
Make sure the connector are connected in properly.
Replace any damaged clips (or pin-type retainers).

    Controller

    ..

    Heater & A/C Control Unit (DATC)

    Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Battery9IGN22ILL+ (TAIL)10ISG Battery (+)3-11IGN14LIN BUS12HTD5-13-6-14-7-15-8RHEO (ILL-)16Ground Repair procedures Self Diag..

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Warning Indicator


    Components and components location Components1. BSD Indicator2. Side repeater lamp Repair procedures Inspection1.Disconnect the negative (-) battery terminal.2.Remove the front door trim.(Refer to Body - "Front door trim")3.Disconnect the power door mirror connector from the harness4.Check that the mirror operates properly as shown in the below table.Removal1.Disconnect (-) battery ter..

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Repair procedures


    AdjustmentGlass Adjustment    • Check the glass run channel for damage or deterioration, and replace it if necessary.1.Remove the front door trim.(Refer to Front Door - "Front Door Trim")2.Separate the mounting plug hole (A) from the front door module.3.After loosening the glass mounting bolts, adjust the spacing of the glass (A) by moving the glass from sid..

    Categories

    Tilting the sunroof

    Tilt the sunroof open:

    Push the sunroof control lever upward until the sunroof moves to the desired position.

    To close the sunroof:

    Press the sunroof lever forward until the sunroof moves to the desired position.

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