Hyundai Elantra: Controller / Heater & A/C Control Unit (Manual) Components and Components Location
| Components |
| Connector | Pin NO | Function | Connector | Pin NO | Function |
| A | 1 | Low | B | 18 | ILL- (RHEO) |
| 2 | Common | 19 | Sensor ground | ||
| 3 | Ground | 20 | Ground | ||
| 4 | Middle Low | 21 | Battery (+) | ||
| 5 | Middle High | 22 | ISG DC | ||
| 6 | High | 23 | ISG B+ | ||
| B | 1 | IGN2 | 24 | ILL+ (TAIL) | |
| 2 | PAB IGN1 | 25 | Sensor REF (+5V) | ||
| 3 | HTD (Rear defog indicator) | 26 | EVAP sensor (+) | ||
| 4 | Detent Out (-) | 27 | AMB sensor (+) | ||
| 5 | PTC Relay 2 | 28 | Mode control actuator (Feedback) | ||
| 6 | PTC Relay 3 | 29 | Temperature control actuator (Feedback) | ||
| 7 | PTC on signal | 30 | Intake actuator (Feedback) | ||
| 8 | PAB Off signal | 31 | Mode control actuator (Vent) | ||
| 9 | SBR | 32 | Mode control actuator (Def) | ||
| 10 | Rear SBR [LH] | 33 | Temperature control actuator (Cool) | ||
| 11 | Rear SBR [Center] | 34 | Temperature control actuator (Warm) | ||
| 12 | Rear SBR [RH] | 35 | Intake actuator (Fresh) | ||
| 13 | ECV+ | 36 | Intake actuator (Recirculation) | ||
| 14 | ECV- (Ground) | 37 | C_CAN High | ||
| 15 | Max blower on signal | 38 | C_CAN Low | ||
| 16 | Rear defogging swich (On) | 39 | Blower common signal | ||
| 17 | Hazard signal | 40 | Ground |
Controller
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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 screw ...
Other information:
Hyundai Elantra AD (2016-2020) Owners Manual: Icy Road Warning Light, Electronic Stability Control (ESC) Indicator Light
Icy Road Warning Light
This warning light is to warn the driver the road may be icy.
When the temperature on the outside temperature gauge is approximately below
40°F (4°C), the Icy Road Warning Light and Outside Temperature Gauge blinks and
then illuminates. Also, the warning chime sounds ...
Hyundai Elantra AD (2016-2020) Service Manual: Center Pillar Trim Repair procedures
Replacement
[Center pillar lower trim]
•
Put on gloves to prevent hand injuries.
•
When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
•
When removing the ...
