Component Location
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1. |
Rear A/C control |
2. |
Preset switch |
3. |
Engine coolant temperature sensor Refer to Component Location . |
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4. |
ECM Refer to Component Location . |
5. |
Ambient sensor |
6. |
Display control unit Refer to Component Location . |
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7. |
BCM Refer to Component Location . |
8. |
Combination meter Refer to Component Location . |
9. |
Sunload sensor |
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10. |
Front display |
11. |
Rear A/C solenoid valve |
12. |
Rear mode door motor |
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13. |
Rear air mix door motor |
14. |
Rear in-vehicle sensor |
15. |
Rear blower motor |
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16. |
Rear A/C relay |
17. |
Water cut valve *1 |
18. |
Intake sensor |
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19. |
A/C auto amp. |
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A. |
Left side of rear A/C unit assembly |
B. |
Right side of rear A/C unit assembly |
C. |
Back side of engine room (RH) |
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D. |
Engine rear side of bank 1 |
E. |
Left side of heater & cooling unit assembly |
F. |
Cluster lid C is removed |
*1: Except for Mexico
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Component |
Description |
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Ambient sensor |
Ambient sensor measures ambient air temperature. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. |
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Display control unit |
Display control unit transmits front A/C control operation signal to A/C auto amp. via CAN communication line. |
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A/C auto amp. |
A/C auto amp. controls rear automatic air conditioning system by inputting and calculating signals from each sensor and each switch. A/C auto amp. has self-diagnosis function. Diagnosis of rear automatic air conditioning system can be performed quickly. |
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BCM |
BCM transmits key ID signal to A/C auto amp. via CAN communication line. |
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Combination meter |
Combination meter transmits vehicle speed signal to A/C auto amp. via CAN communication line. |
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ECM |
ECM transmits engine coolant temperature signal to A/C auto amp. via CAN communication line. |
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Engine coolant temperature sensor |
Engine coolant temperature sensor measures engine coolant temperature. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. |
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Front display |
Front display indicates operation status of rear automatic air conditioning system. |
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Heater & cooling unit assembly |
Intake sensor |
Intake sensor measures temperature of front evaporator fin temperature. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. |
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Preset switch |
Preset switch is integrated with front A/C control and AV operation switch. Front A/C control operation signal is transmitted from preset switch to display control unit via communication line. |
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Rear A/C control |
The operation of the rear A/C control is communicated with the A/C auto amp. via communication line. |
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Rear A/C relay |
Power is supplied to the rear A/C solenoid valve through rear A/C relay with A/C auto amp. control. |
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Rear A/C unit assembly |
Rear air mix door motor |
The LCU (Local Control Unit) is installed to rear air mix door motor so as to perform the multiplex communication control (LIN). Refer to System Description .. |
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Rear A/C solenoid valve |
Rear A/C solenoid valve operates by power supply from rear A/C relay and opens refrigerant line to rear evaporator. |
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Rear blower motor |
Refer to Component Description .. |
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Rear in-vehicle sensor |
Rear in-vehicle sensor measures temperature of intake air that flows through rear blower motor to passenger room. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. |
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Rear mode door motor |
The LCU (Local Control Unit) is installed to rear mode door motor so as to perform the multiplex communication control (LIN). Refer to System Description .. |
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Sunload sensor |
Sunload sensor measures sunload amount. This sensor is a dual system so that sunload for driver side and passenger side are measured separately. This sensor converts sunload amount to voltage signal by photodiode and transmits to A/C auto amp. |
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Water cut valve *1 |
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*1: Except for Mexico