- Front air conditioning does not activate.
- Front air conditioning cannot be controlled.
- Operation status of air conditioning is not indicated on display.
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- A/C auto amp. ignition power supply circuit
- Front A/C control (A/C auto amp.)
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DIAGNOSIS PROCEDURE |
- Air outlet does not change.
- Mode door motor (front) does not operate normally.
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- Circuit between mode door motor (front) and A/C auto amp.
- Mode door motor (front) control linkage
- Mode door motor (front)
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
- Discharge air temperature of driver side does not change.
- Air mix door motor (driver side) does not operate normally.
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- Circuit between air mix door motor (driver side) and A/C auto amp.
- Air mix door motor (driver side) installation condition
- Air mix door motor (driver side)
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
- Discharge air temperature of passenger side does not change.
- Air mix door motor (passenger side) does not operate normally.
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- Circuit between air mix door motor (passenger side) and A/C auto amp.
- Air mix door motor (passenger side) installation condition
- Air mix door motor (passenger side)
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
- Intake door does not change.
- Intake door motor does not operate normally.
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- Circuit between intake door motor and A/C auto amp.
- Intake door motor control linkage
- Intake door motor
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
| All door motors do not operate normally. |
- Each door motor power supply and ground circuit
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
| Front blower motor operation is malfunctioning. |
- Power supply system of front blower motor
- Circuit between front blower motor and A/C auto amp.
- Front blower motor
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
| Compressor does not operate. |
- Circuit between magnet clutch and IPDM E/R
- Magnet clutch
- IPDM E/R (A/C relay)
- Circuit between ECM and refrigerant pressure sensor
- Refrigerant pressure sensor
- CAN communication circuit
- A/C auto amp.
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DIAGNOSIS PROCEDURE |
- Insufficient cooling.
- No cool air comes out. (Air flow volume is normal.)
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- Magnet clutch control system
- Drive belt slipping
- Refrigerant cycle
- Air leakage from each duct
- A/C auto amp. connection recognition signal circuit
- Temperature setting trimmer (front)
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DIAGNOSIS PROCEDURE |
- Insufficient heating.
- No warm air comes out. (Air flow volume is normal.)
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- Engine cooling system
- Heater hose
- Heater core
- Air leakage from each duct
- Temperature setting trimmer (front)
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DIAGNOSIS PROCEDURE |
| Noise is heard when front air conditioning system operates. |
During compressor operation |
Refrigerant cycle |
SYMPTOM TABLE |
| During front blower motor operation |
- Mixing any foreign object in front blower motor
- Front blower motor fan breakage
- Front blower motor rotation inferiority
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COMPONENT INSPECTION (FRONT BLOWER MOTOR) |
- Memory function does not operate.
- Setting temperature is not memorized.
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- Battery power supply system of A/C auto amp.
- A/C auto amp.
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DIAGNOSIS PROCEDURE |