Problem Symptoms Table
WARNING: This page is about a different variant/trim than selected.
HINT:
- 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.
AIR CONDITIONING SYSTEM
| Symptom | Suspected Area | Refer to |
|---|---|---|
| All functions of the A/C system do not operate. | IG power source circuit | Refer to IG Power Source Circuit |
| Back-up power source circuit | Refer to Back-up Power Source Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Air flow control: No blower operation | Blower motor circuit | Refer to Blower Motor Circuit |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Air flow control: No blower control | Blower motor circuit | Refer to Blower Motor Circuit |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Air flow control: Insufficient air flow | Blower motor circuit | Refer to Blower Motor Circuit |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Temperature control: No cool air comes out | Refrigerant volume | Refer to ON-VEHICLE INSPECTION |
| Refrigerant pressure | Refer to ON-VEHICLE INSPECTION | |
| Air conditioning pressure sensor circuit | Refer to DTC B1423/23: Pressure Sensor Circuit | |
| Air mix damper control servo motor circuit | Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) | |
| Evaporator temperature sensor circuit | Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit | |
| Room temperature sensor circuit | Refer to DTC B1411/11: Room Temperature Sensor Circuit | |
| Ambient temperature sensor circuit | Refer to DTC B1412/12: Ambient Temperature Sensor Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Cooler expansion valve | Refer to REMOVAL | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| No. 2 engine wire | Refer to REMOVAL | |
| Compressor with motor assembly | Refer to REMOVAL | |
| Power management control ECU | Refer to REMOVAL | |
| Temperature control: No warm air comes out | Air mix damper control servo motor circuit | Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) |
| Engine coolant temperature sensor circuit | Refer to DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input | |
| Evaporator temperature sensor circuit | Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit | |
| Room temperature sensor circuit | Refer to DTC B1411/11: Room Temperature Sensor Circuit | |
| Ambient temperature sensor circuit | Refer to DTC B1412/12: Ambient Temperature Sensor Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| PTC heater circuit | Refer to PTC Heater Circuit | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Heater radiator unit sub-assembly | Refer to DISASSEMBLY | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| ECM | Refer to REMOVAL | |
| Temperature control: Output air is warmer or cooler than the set temperature or response is slow | Refrigerant volume | Refer to ON-VEHICLE INSPECTION |
| Refrigerant pressure | Refer to ON-VEHICLE INSPECTION | |
| Solar sensor circuit | Refer to DTC B14A2: Driver Side Solar Sensor Short Circuit | |
| Room temperature sensor circuit | Refer to DTC B1411/11: Room Temperature Sensor Circuit | |
| Ambient temperature sensor circuit | Refer to DTC B1412/12: Ambient Temperature Sensor Circuit | |
| Evaporator temperature sensor circuit | Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit | |
| Air mix damper control servo motor circuit | Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) | |
| Air inlet damper control servo motor circuit | Refer to DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit | |
| PTC heater circuit | Refer to PTC Heater Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Heater radiator unit sub-assembly | Refer to DISASSEMBLY | |
| Cooler expansion valve | Refer to REMOVAL | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| No. 2 engine wire | Refer to REMOVAL | |
| Compressor with motor assembly | Refer to REMOVAL | |
| ECM | Refer to REMOVAL | |
| Power management control ECU | Refer to REMOVAL | |
| Temperature control: No temperature control (only Max. cool or Max. warm) | Air mix damper control servo motor circuit | Refer to DTC B1441/41: Air Mix Damper Control Servo Motor Circuit (Passenger Side) |
| Room temperature sensor circuit | Refer to DTC B1411/11: Room Temperature Sensor Circuit | |
| Ambient temperature sensor circuit | Refer to DTC B1412/12: Ambient Temperature Sensor Circuit | |
| Evaporator temperature sensor circuit | Refer to DTC B1413/13: Evaporator Temperature Sensor Circuit | |
| Solar sensor circuit | Refer to DTC B14A2: Driver Side Solar Sensor Short Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| No air inlet control | Air inlet damper control servo motor circuit | Refer to DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| No air flow mode control | Air outlet damper control servo motor circuit | Refer to DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Heater performance is low (engine is stopped). | PTC heater circuit | Refer to PTC Heater Circuit |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| ECO MODE switch indicator does not come on (ECO MODE switch does not operate). | ECO switch circuit | Refer to ECO Switch Circuit |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Micro dust and pollen filter mode does not operate (A/C system is operating normally). | Air inlet damper control servo motor circuit | Refer to DTC B1442/42: Air Inlet Damper Control Servo Motor Circuit |
| Air outlet damper control servo motor circuit | Refer to DTC B1443/43: Air Outlet Damper Control Servo Motor Circuit | |
| Blower motor circuit | Refer to Blower Motor Circuit | |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Unable to control A/C with the steering pad switch. | Steering pad switch circuit | Refer to Steering Pad Switch Circuit |
| Air conditioning control panel circuit | Refer to Air Conditioning Control Panel Circuit | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Diagnostic trouble codes (DTCs) are not recorded. Set mode is cleared when power switch is off. | Back-up power source circuit | Refer to Back-up Power Source Circuit |
| Air conditioning amplifier assembly | Refer to REMOVAL |
REMOTE CLIMATE CONTROL SYSTEM
| Symptom | Suspected Area | Refer to |
|---|---|---|
| The remote climate control system does not operate when the remote A/C switch on the key (electrical transmitter) or smart phone (mobile phone terminal) is operated (air conditioning system is normal). | Wireless door lock control system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING |
| Data List (FL Door Courtesy, FR Door Courtesy, RL Door Courtesy SW, RR Door Courtesy SW, Back Door Courtesy SW) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (Hood Courtesy SW) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (Start Switch1, Start Switch2) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (IG SW, ACC SW) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (FL Door Lock Pos, FR Door Lock Pos, RL-Door Lock Pos SW, RR-Door Lock Pos SW) | Refer to DATA LIST / ACTIVE TEST | |
| Operation check | Refer to OPERATION CHECK | |
| Telematics Transceiver (DCM) | Refer to REMOVAL | |
| Certification ECU (Smart key ECU assembly) | Refer to REMOVAL | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Use simulation method to check | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| The remote climate control system does not operate even though a wireless door lock is performed when the remote A/C switch on the key (electrical transmitter) or smart phone (mobile phone terminal) is operated (air conditioning system is normal). | Data List (FL Door Courtesy, FR Door Courtesy, RL Door Courtesy SW, RR Door Courtesy SW, Back Door Courtesy SW) | Refer to DATA LIST / ACTIVE TEST |
| Data List (Hood Courtesy SW) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (Start Switch1, Start Switch2) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (IG SW, ACC SW) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (Stop Light Switch) | Refer to DATA LIST / ACTIVE TEST | |
| Data List (Shift Position) | Refer to DATA LIST / ACTIVE TEST | |
| Telematics Transceiver (DCM) | Refer to REMOVAL | |
| Certification ECU (Smart key ECU assembly) | Refer to REMOVAL | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Use simulation method to check | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| The remote climate control system stops operating shortly after the system starts. | Operation check | Refer to OPERATION CHECK |
| Use simulation method to check | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| The remote climate control system starts operating by itself. | Use simulation method to check | Refer to HOW TO PROCEED WITH TROUBLESHOOTING |
| Operation check (activation control, stop control) | Refer to OPERATION CHECK | |
| Telematics Transceiver (DCM) | Refer to REMOVAL | |
| Certification ECU (Smart key ECU assembly) | Refer to REMOVAL | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Power management control ECU | Refer to REMOVAL | |
| The remote climate control system cannot be stopped using the remote A/C switch on the key (electrical transmitter) or smart phone (mobile phone terminal). | Customize (Stop Pre A/C) | Refer to CUSTOMIZE PARAMETERS |
| Operation check (stop control) | Refer to OPERATION CHECK | |
| Telematics Transceiver (DCM) | Refer to REMOVAL | |
| Certification ECU (Smart key ECU assembly) | Refer to REMOVAL | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Air conditioning amplifier assembly | Refer to REMOVAL | |
| Power management control ECU | Refer to REMOVAL |