Hyundai Palisade: Heating,Ventilation And Air Conditioning / Troubleshooting
Before replacing or repairing air conditioning components, first determine if
the malfunction is due to the refrigerant charge, air flow or compressor.
Use the table below to help you find the cause of the problem. The numbers indicate
the priority of the likely cause of the problem. Check each part in order. If
necessary, replace these parts.
After correcting the malfunction, check the complete system to ensure that performance
is satisfactory.
Standard:
Symptom
|
Suspected Area
|
No blower operation
|
1. Blower fuse
|
2. Blower relay
|
3. Blower motor
|
4. Power mosfet
|
5. Blower speed control switch
|
6. Wire harness
|
No air temperature control
|
1. Engine coolant capacity
|
2. Heater control assembly
|
No compressor operation
|
1. Refrigerant capacity
|
2. A/C fuse
|
3. Clutch limiter
|
4. Compressor
|
5. A/C pressure transducer
|
6. A/C switch
|
7. Evaporator temperature sensor
|
8. Wire harness
|
Vented air not cold
|
1. Refrigerant capacity
|
2. Refrigerant pressure
|
3. Drive belt
|
4. Clutch limiter
|
5. Compressor
|
6. A/C pressure transducer
|
7. Evaporator temperature sensor
|
8. A/C switch
|
9. Heater control assembly
|
10. Wire harness
|
Insufficient cooling
|
1. Refrigerant capacity
|
2. Drive belt
|
3. Clutch limiter
|
4. Compressor
|
5. Condenser
|
6. Expansion valve
|
7. Evaporator
|
8. Refrigerant lines
|
9. A/C pressure transducer
|
10. Heater control assembly
|
No engine idle-up when A/C switch ON
|
1. Engine ECM
|
2. Wire harness
|
No air inlet control
|
1. Heater control assembly
|
No mode control
|
1. Heater control assembly
|
2. Mode actuator
|
No cooling fan operation
|
1. Cooling fan fuse
|
2. Fan motor
|
3. Engine ECM
|
4. Wire harness
|
Other information:
Blind-Spot Collision Warning
(BCW) system
First stage alert
If a vehicle is detected within the
boundary of the system, a warning
light will illuminate on the outer side
view mirror and the head up display
(if equipped).
If the detected vehicle is no longer
within the blind spot area, the warning
will turn off according to the driving
conditions of the vehicle...
Components and components location
Component
Connector Pin Function
Connector
PIN No
Pin Function
Connector
PIN No
Pin Function
A
1
Battery
A
21
IGN2
2
ISG B+
22
IGN1
3
ILL+ (TAIL)
23
Blower Motor (+)
4
Sensor Ground REF (+5V)
24
Photo Sensor (-)_LEFT
5
Mode Control Actuator Feedback
25
Photo Sensor (-)_RIGHT
6
Temperature Actuator Feedback - Driver
26
Incar Sensor (+)
7
Intake Actuator Feedback
27
Incar Motor (-)
8
Evaporator Temperature Sensor (+)
28
PTC Relay 3
9
Ambient Temperature Sensor (+)
29
PTC Relay 3
10
Mode Control Actuator (Vent)
30
PTC On Signal
11
Mode Control Actuator (Defrost)
31
Detent out (-)
12
Temperature Control Actuator (Cool) - Driver
32
K - Line
13
Temperature Control Actuator (Warm) - Driver
33
P_CAN High
14
Intake Actuator (Fresh Air)
34
P_CAN Low
15
Intake Actuator (Recirculated Air)
35
Mosfet (DRAIN F/B)
16
HTD (Rear Defrost)
36
Mosfet (GATE)
17
Rear Defogging Swich
37
ECV +
18
Clean Signal
38
ECV -
19
Ionizer Diagnosis
39
Sensor Ground
20
ILL - (RHEO)
40
Ground
Connector
PIN No
Pin Function
Connector
PIN No
Pin Function
B
1
Temperature Control Actuator Feedback - Passenger
B
9
-
2
Temperature Control Actuator (Cool) - Passenger
10
-
3
Temperature Control Actuator (Warm) - Passenger
11
-
4
Defogging Actuator Feedback
12
Defogging Sensor TEMP
5
Defogging Actuator (Open)
13
Defogging Sensor SCK
6
Defogging Actuator (Close)
14
Defogging Sensor Data
7
-
15
-
8
Seat Signal PWM - Driver
16
Ground
Repair procedures
Self Diagnosis
1...
Categories

Front air bags
Front air bags and the driver's knee
air bag are designed to inflate in a
frontal collision depending on the the
severity of impact of the front collision.


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