| A/C system does not operate at all. |
Wire harness and connector (grounding and power supply system) |
- |
| Fuse [MPX-B, HEATER, HEATER] |
PARTS LOCATION |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| CAN communication system |
DTC U0073:etc. |
| Switch operation is not accepted. |
Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Blower motor (with fan) does not rotate. |
Blower motor circuit |
BLOWER MOTOR CIRCUIT |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Blower register (power transistor) |
- |
| Blower motor (with fan) speed does not change. |
Blower motor circuit |
BLOWER MOTOR CIRCUIT |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Blower register (power transistor) |
- |
| Difficult cooling |
Check of refrigerant level |
FUNCTION INSPECTION |
| Check of refrigerant pressure |
FUNCTION INSPECTION |
| Cooler expansion valve |
COOLER EXPANSION VALVE |
| Compressor ASSY (with magnet clutch) |
COMPRESSOR ASSY |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Cold air not emitted |
Check of refrigerant level |
FUNCTION INSPECTION |
| Check of refrigerant pressure |
FUNCTION INSPECTION |
| Air conditioner pressure switch |
AIRCONDITIONER PRESSURE SWITCH |
| Compressor ASSY (with magnet clutch) |
COMPRESSOR ASSY |
| Air mix damper servo circuit (driver's seat) |
DTC B1440: Air Mix Door Actuator Potentiometer Circuit Wire Break (Driver's Seat); DTC B1442: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Driver's Seat); DTC B1446: Air Mix Door Actuator Lock (Driver's Seat) |
| Air mix damper servo circuit (passenger's seat) |
DTC B1436: Air Mix Door Actuator Potentiometer Circuit Wire Break (Passenger's Seat); DTC B1437: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Passenger's Seat); DTC B1441: Air Mix Door Actuator Lock (Passenger's Seat) |
| Cooler thermistor (in-vehicle sensor) |
DTC B1430: Room Temperature Sensor Circuit Wire Break; DTC B1431: Room Temperature Sensor Circuit Short-Circuit |
| Automatic light control sensor |
DTC B14A1: Sunload Sensor Circuit Open; DTC B14A2: Sunload Sensor Circuit Short |
| Thermistor ASSY |
DTC B1432: Ambient Temperature Sensor Circuit Wire Break; DTC B1433: Ambient Temperature Sensor Circuit Short-Circuit |
| Cooler thermistor NO. 1 (after-evaporator sensor) |
DTC B1434: Evaporator Sensor Circuit Wire Break; DTC B1435: Evaporator Sensor Circuit Short-Circuit |
| Cooler expansion valve |
COOLER EXPANSION VALVE |
| CAN communication system |
DTC U0073:etc. |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Heater relay (clutch relay) |
RELAY |
| Aspirator hose |
Installation |
| Warm air not emitted |
Air mix damper servo circuit (driver's seat) |
DTC B1440: Air Mix Door Actuator Potentiometer Circuit Wire Break (Driver's Seat); DTC B1442: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Driver's Seat); DTC B1446: Air Mix Door Actuator Lock (Driver's Seat) |
| Air mix damper servo circuit (passenger's seat) |
DTC B1436: Air Mix Door Actuator Potentiometer Circuit Wire Break (Passenger's Seat); DTC B1437: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Passenger's Seat); DTC B1441: Air Mix Door Actuator Lock (Passenger's Seat) |
| Cooler thermistor (in-vehicle sensor) |
DTC B1430: Room Temperature Sensor Circuit Wire Break; DTC B1431: Room Temperature Sensor Circuit Short-Circuit |
| Automatic light control sensor |
DTC B14A1: Sunload Sensor Circuit Open; DTC B14A2: Sunload Sensor Circuit Short |
| Thermistor ASSY |
DTC B1432: Ambient Temperature Sensor Circuit Wire Break; DTC B1433: Ambient Temperature Sensor Circuit Short-Circuit |
| CAN communication system |
DTC U0073:etc. |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Aspirator hose |
Installation |
| Warmer or colder than setting temperature |
Check of refrigerant level |
FUNCTION INSPECTION |
| Check of refrigerant pressure |
FUNCTION INSPECTION |
| Air mix damper servo circuit (driver's seat) |
DTC B1440: Air Mix Door Actuator Potentiometer Circuit Wire Break (Driver's Seat); DTC B1442: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Driver's Seat); DTC B1446: Air Mix Door Actuator Lock (Driver's Seat) |
| Air mix damper servo circuit (passenger's seat) |
DTC B1436: Air Mix Door Actuator Potentiometer Circuit Wire Break (Passenger's Seat); DTC B1437: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Passenger's Seat); DTC B1441: Air Mix Door Actuator Lock (Passenger's Seat) |
| Cooler thermistor (in-vehicle sensor) |
DTC B1430: Room Temperature Sensor Circuit Wire Break; DTC B1431: Room Temperature Sensor Circuit Short-Circuit |
| Air inlet at the front of the cooler thermistor (in-vehicle sensor) (clogged dust or foreign matter) |
- |
| Automatic light control sensor |
DTC B14A1: Sunload Sensor Circuit Open; DTC B14A2: Sunload Sensor Circuit Short |
| Thermistor ASSY |
DTC B1432: Ambient Temperature Sensor Circuit Wire Break; DTC B1433: Ambient Temperature Sensor Circuit Short-Circuit |
| Cooler expansion valve |
COOLER EXPANSION VALVE |
| Radiator heater unit |
- |
| Wire harness and connector |
- |
| CAN communication system |
DTC U0073:etc. |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Heater relay (clutch relay) |
RELAY |
| Aspirator hose |
Installation |
| Temperature control is disabled (temperature does not change). |
Air mix damper servo circuit (driver's seat) |
DTC B1440: Air Mix Door Actuator Potentiometer Circuit Wire Break (Driver's Seat); DTC B1442: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Driver's Seat); DTC B1446: Air Mix Door Actuator Lock (Driver's Seat) |
| Air mix damper servo circuit (passenger's seat) |
DTC B1436: Air Mix Door Actuator Potentiometer Circuit Wire Break (Passenger's Seat); DTC B1437: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Passenger's Seat); DTC B1441: Air Mix Door Actuator Lock (Passenger's Seat) |
| Wire harness and connector |
- |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Aspirator hose |
Installation |
| Temperature control is disabled (MAX HOT or MAX COLD occurs). |
Cooler thermistor (in-vehicle sensor) |
DTC B1430: Room Temperature Sensor Circuit Wire Break; DTC B1431: Room Temperature Sensor Circuit Short-Circuit |
| Thermistor ASSY |
DTC B1436: Air Mix Door Actuator Potentiometer Circuit Wire Break (Passenger's Seat); DTC B1437: Air Mix Door Actuator Potentiometer Circuit Short-Circuit (Passenger's Seat); DTC B1441: Air Mix Door Actuator Lock (Passenger's Seat) |
| Wire harness and connector |
- |
| CAN communication system |
DTC U0073:etc. |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Aspirator hose |
- |
| Inlet opening is not changed. |
Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Damper servo (FRESH/RECIRC) |
DISASSEMBLY |
| Indicator does not illuminate. |
Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Diagnostic code is not written (At IG ON, the set mode is erased). |
Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Outlet opening is not changed. |
Damper servo (mode change) |
DISASSEMBLY, STEP 19 |
| Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |
| Illumination does not turn on, or does not dim. |
Air conditioner control ASSY |
ECM TERMINAL ARRANGEMENT |
| Wire harness and connector |
- |