HEATING / AIR CONDITIONING AIR CONDITIONING SYSTEM(for Gasoline Model (NR Series) with Manual Air Conditioning System for Mechanical Control Type) PROBLEM SYMPTOMS TABLE
- NOTICE:
- ·
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
·Inspect the fuses and relays related to this system before inspecting the suspected areas below.
VEHICLE CHECK ITEMS
- HINT:
- ·
You can reduce the number of systems to check by using the results of the following operation check.
·Perform the following checks based on Customer Feedback and the vehicle condition.
·The customer's opinion may not be consistent with the actual problem (eg: the cooling performance of the air conditioner is bad → actually, the wind volume is weak). It is important to check the problem symptoms accurately and judge correctly based on various sources of information.
·Judgment as to whether the air conditioner panel is normal or abnormal can be judged by checking if the indicator illuminates or turns off when the switch is operated.
·If the performance of the air conditioner is poor or there is a foul odor, check for clogging in the clean air filter.
- Malfunction Operation/Function:
Common Function of Cool and Heater Function Only Cool Air Function Only Heater Function Suspected Area A/C Switch Operation Blower Operation Recirculation/Fresh Function Air Outlet Changing Function x o o o x x Go to "Problem Symptoms Table: Air Conditioning Control" o o o o x o Go to "Problem Symptoms Table: Cooling Function" o o o o o x Go to "Problem Symptoms Table: Heater Function" o x o o x x Go to "Problem Symptoms Table: Blower Control" o o x o x x Go to "Problem Symptoms Table: Air Inlet Control" o o o x x x Go to "Problem Symptoms Table: Air Outlet Control" x x x x x x Air Conditioning Amplifier Assembly or Air Conditioning Assembly is Defective
AIR CONDITIONING CONTROL
| Symptom | Suspected Area | Link |
|---|---|---|
| Air conditioning system cannot be operated using heater control assembly | ·
No. 1 heater control sub-assembly ·
No. 2 heater control sub-assembly ·
No. 3 heater control sub-assembly |
 201906,999999,_58,_080733,_0393743,RM100000001I5QR,
|
| Air conditioning amplifier assembly | 202304,202307,_58,_080733,_0393744,RM100000002B1IY,202307,999999,_58,_080733,_0393744,RM100000002CH99,
|
COOLING FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| No cool air comes out
(Blower control is normal) |
·
Compressor assembly with pulley ·
Refrigerant pressure ·
Refrigerant volume ·
Cooler condenser assembly ·
Cooling fan system ·
No. 1 cooler thermistor ·
High inlet air temperature |
202304,999999,_58,_080733,_0591216,RM100000002AH8G,
|
| Temperature control cable sub-assembly | 202304,999999,_58,_080733,_0393729,RM100000002B1I0,
|
|
| No. 3 heater control sub-assembly circuit | 201906,999999,_58,_080733,_0393743,RM100000001I5QR,
|
|
| Harness or connector | - | |
·
Cooling effectiveness is poor ·
Cooling response is slow |
·
Compressor assembly with pulley ·
Refrigerant volume ·
Refrigerant leak ·
Cooler condenser assembly ·
Cooling fan system ·
High inlet air temperature |
202304,999999,_58,_080733,_0591216,RM100000002AH8D,
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| Temperature control cable sub-assembly | 202304,999999,_58,_080733,_0393729,RM100000002B1I0,
|
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| No. 3 heater control sub-assembly circuit | 202304,999999,_58,_080733,_0591216,RM100000002AH8A,
|
|
| Harness or connector | - |
HEATER FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
·
No warm air comes out (Blower control is normal) ·
Outlet air temperature does not increase (Blower control is normal) |
·
Engine coolant temperature ·
Damper and damper link ·
Blockage in heater radiator unit sub-assembly ·
Heater radiator unit sub-assembly ·
Quick heater assembly |
202304,999999,_58,_080733,_0591216,RM100000002AH8H,
|
| Temperature control cable sub-assembly | 202304,999999,_58,_080733,_0393729,RM100000002B1I0,
|
|
| No. 3 heater control sub-assembly circuit | 202304,999999,_58,_080733,_0591216,RM100000002AH8A,
|
|
| Harness or connector | - | |
| Heating performance is poor when it is cold | ·
Quick heater assembly ·
Air conditioning amplifier assembly ·
PTC HTR relay ·
Harness or connector |
202304,999999,_58,_080733,_0591216,RM100000002AH8B,
|
BLOWER CONTROL
| Symptom | Suspected Area | Link |
|---|---|---|
·
Blower motor does not operate at all (Air does not blow from registers) ·
Airflow volume cannot be changed ·
Airflow volume is constantly low ·
Airflow volume sometimes becomes low |
Blower motor circuit malfunction | 202304,999999,_58,_080733,_0591216,RM100000002AH89,
|
AIR INLET CONTROL
| Symptom | Suspected Area | Link |
|---|---|---|
| Fresh/recirculation does not change | ·
No. 1 blower damper servo sub-assembly ·
No. 2 heater control sub-assembly malfunction ·
Harness or connector ·
Damper link ·
Damper mechanically locked ·
Air conditioner unit assembly |
202304,999999,_58,_080733,_0591216,RM100000002AH8F,
|
AIR OUTLET CONTROL
| Symptom | Suspected Area | Link |
|---|---|---|
| Air outlet mode cannot be changed | Mode damper control cable sub-assembly | 202304,999999,_58,_080733,_0393729,RM100000002B1I0,
|
| Air conditioner unit | 202304,202307,_58,_080733,_0393729,RM100000002B1HY,202307,999999,_58,_080733,_0393729,RM100000002D3V5,
|
|
| No. 1 heater control sub-assembly | 201906,999999,_58,_080733,_0393743,RM100000001I5QR,
|
DEFROSTER CONTROL
| Symptom | Suspected Area | Link |
|---|---|---|
| Windshield frequently fogs up | ·
Compressor assembly with pulley ·
Refrigerant volume ·
Cooler expansion valve ·
No. 1 heater control sub-assembly ·
Mode damper control cable sub-assembly ·
Air conditioning radiator assembly malfunction |
202304,999999,_58,_080733,_0591216,RM100000002AH8E,
|