Hyundai Palisade Quiz
Heating, Ventilation, and Air Conditioning

Heater and A/C Control Unit (Rear)

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 10Engine Mechanical System — 56Engine Electrical System — 28Emission Control System — 21Engine Control System/Fuel System — 42Automatic Transmission System (A8LF1) — 33All-Wheel Drive (AWD) System — 16Drive Shaft and Axle — 19Suspension System — 28Steering — 17Restraints — 20Brake System — 39Body (Interior and Exterior) — 142Body Electrical System — 171Heating, Ventilation, and Air Conditioning — 47Advanced Driver Assistance System (ADAS) — 44
5steps
~30min
2/5difficulty
Done 0 of 5

Components and Component Location

Component

Hyundai Palisade. Components and components location

Connector Terminal Function

Connector PIN No. Pin Function Connector PIN No. Pin Function
A 1 Battery A 17 IGN2
2 ISG B+ 18 IGN1
3 ILL+ (TAIL) 19 Blower Motor (+)
4 REF Sensor Ground (+5 V) 20 -
5 Mode Control Actuator Feedback 21 MOSFET (Drain L/R)
6 Temperature Sensor Feedback 22 MOSFET (Gate)
7 Mode Control Actuator (Vent) 23 Heater Switch _ LH
8 Mode Control Actuator (Defrost) 24 Indicator (HIGH) _ LH
9 Temperature Control Actuator (Cool) 25 Indicator (MID) _ LH
10 Temperature Control Actuator (Warm) 26 Indicator (LOW) _ LH
11 Latch Out (-) 27 Heater Switch _ RH
12 K-Line 28 Indicator (HIGH) _ RH
13 LIN LH 29 Indicator (MID) _ RH
14 LIN RH 30 Indicator (LOW) _ RH
15 - 31 Sensor Ground
16 ILL - (REO) 32 Ground

Repair Procedures

Replacement

Hyundai Palisade. Repair procedures
  • When removing with a flat-blade screwdriver or puller, wrap the tool with protective tape to prevent damage to the components.
  • Wear gloves to avoid cutting your hands.
Hyundai Palisade. Repair procedures
  • Be careful not to bend or scratch the trim and panels.
  1. Disconnect the negative (-) battery terminal.
  2. Using a flat-tip screwdriver or a remover, remove the rear console upper cover (A).
    Hyundai Palisade. Repair procedures
  3. Press the stopper pin, disconnect the rear console connector (A) and remove the rear console upper cover (B).
    Hyundai Palisade. Repair procedures
  4. Loosen the mounting screws and remove the rear heater and A/C control unit (A).
    Hyundai Palisade. Repair procedures
  5. To install, reverse the removal procedure.
    Hyundai Palisade. Repair procedures
    • Replace any damaged clips (or pin-type retainers).
    • Make sure the connector is properly connected.

Test yourself

A quick Hyundai Palisade quiz: every answer comes with an explanation and a link to the manual page.