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

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box upper cover assembly.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Loosen the mounting screws and remove the crash pad center lower cover [LH](A).

4.
After loosening the mounting screws, remove the A/C & heater controller unit (A).

5.
Disconnect the A/C & heater controller connectors (A) and hose (B).

6.
To intall, reverse the removal procedure.
   
Make sure the connector are connected in properly.
Replace any damaged clips (or pin-type retainers).
Heater & A/C Control Unit (Manual) Components and Components Location
Components ConnectorPin NOFunctionConnectorPin NOFunctionA1LowB18ILL- (RHEO)2Common19Sensor ground3Ground20Ground4Middle Low21Battery (+)5Middle High22ISG DC6High23ISG B+B1IGN224ILL+ (TAIL)2PAB I ...

Heater & A/C Control Unit (DATC) Components and Components Location
Components ConnectorPin NOFunctionConnectorPin NOFunctionA1Battery (+)A21IGN12IGN222ILL+ (TAIL)3ISG B+23Sensor ground REF (+5V)4Mode control actuator (Vent)24C_CAN High5Mode control actuator (Def ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Troubleshooting SymptionSuspect areaRemedyEngine misfire with abnormal internal lower engine noises • Worn crankshaft bearings • Loose or out of specification engine flywheel • Replace the crankshaft and bearings as required. • Repair or replace the flywheel as req ...

Hyundai Elantra AD (2016-2020) Service Manual: Battery Description and Operation
Description [AGM Battery] AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is absorbent glass fibre fleece. AGM batteries are fitted in models with electrical loads/consumers ...

© 2018-2022 www.helantraad.com