Hyundai Tucson: Controller / Heater & A/C Control Unit(Dual) Components and Components Location
| Components |
| Control Panel |
| Connector | Pin NO | Function | Connector | Pin NO | Function |
| Connector(A) | 1 | Battery | Connector(B) | 1 | CAN (LOW) |
| 2 | Tail Lamp (ILL+) | 2 | CAN (HIGH) | ||
| 3 | IG2 | 3 | Intake Actuator (F/B) | ||
| 4 | DR Temp Actuator (COOL) | 4 | Mode Actuator (F/B) | ||
| 5 | DR Temp Actuator (WARM) | 5 | PS Temp Actuator (F/B) | ||
| 6 | - | 6 | DR Temp Actuator (F/B) | ||
| 7 | Mode Actuator (VENT) | 7 | Diagnosis (Cluster Ion) | ||
| 8 | Mode Actuator (DEF) | 8 | ECV IN | ||
| 9 | - | 9 | GND | ||
| 10 | - | 10 | Hi-Scan (K-Line) | ||
| 11 | - | 11 | Evaporator Sensor | ||
| 12 | Rheostat (ILL-) | 12 | Ambient Sensor | ||
| 13 | GND | 13 | Incar Sensor | ||
| 14 | Vref +5V | 14 | DR Sun (-) | ||
| 15 | Ion Signal | 15 | PS Sun (-) | ||
| 16 | Intake Actuator (FRE) | 16 | ECV OUT | ||
| 17 | Intake Actuator (REC) | | | ||
| 18 | Clean Signal | | | ||
| 19 | Blower Motor (+) | | | ||
| 20 | PS Temp Actuator (COOL) | | | ||
| 21 | PS Temp Actuator (WARM) | | | ||
| 22 | Power Mosfet (GATE) | | | ||
| 23 | Power Mosfet (DRAIN) | | | ||
| 24 | - | | | ||
| 25 | - | | | ||
| 26 | Sensor GND | | |
Heater & A/C Control Unit(Manual) Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console upper cover (A).
3.
Using the screwdriver, remove the center facia lower cover (A).
4.
Using the ...
Heater & A/C Control Unit(Dual) Repair procedures
Self Diagnosis
1.
Self-diagnosis process
2.
How to read self-diagnostic code
After the display panel flickers three times every 0.5
second, the corresponding fault code flickers on the setu ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
SymptomPossible causeRemedySpeedometer does not operateCluster fuse (10A) blownCheck for short and replace fuseSpeedometer faultyCheck speedometerCAN line faultyCheck the EMSWiring or ground faultyRepair if necessaryTachometer does not operateCluster fuse (10A) blownCheck for sh ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Heater & A/C Control Unit(Manual) Components and Components Location
Components
Connector Pin Function
ConnectorPin NoFunctionConnectorPin NOFunctionConnector(A)1Middle HighConnector(B)1Tail Lamp (ILL+)2-2Battery 3GND3Mode Actuator (VENT)4High4Mode Actuator (DEF)5Middle Low5Temp Actuator (COOL)6Low6Temp Actuator (WARM)x7Intake Actuator (FRE)8Intake Actuator (REC) ...