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Monitor item name
“operation or unit” Contents
IGN ON SW “ON/OFF” Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal
through the CAN communication.
FAN ON SIG “ON/OFF” Displays “FAN (ON)/FAN (OFF)” status as judged from blower fan motor switch signal through CAN
communication.
AIR COND SW “ON/OFF” Displays “COMP (ON)/COMP (OFF)” status as judged from air conditioner switch signal through the
CAN communication. *1
MTC-30, " Operational Check "
Discharge air temperature does not
change. Go to Trouble Diagnosis Procedure for Air Mix Door.
MTC-32Intake door does not change. Go to Trouble Diagnosis Procedure for Intake Door.
MTC-33Blower motor operation is malfunctioning. Go to Trouble Diagnosis Procedure for Blower Motor.
MTC-33
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MTC
N
O P
Component Parts and Har
ness Connector Location INFOID:0000000004307063
ENGINE COMPARTMENT
PASSENGER COMPARTMENT Magnet clutch does not engage in A/C, de-
frost/foot, or defrost mode. Go to Trouble Diagnosis Procedure for Magnet Clutch.
MTC-37Insufficient cooling Go to Trouble Diagnosis Procedure for Insufficient Cooling.
MTC-45Insufficient heating Go to Trouble Diagnosis Procedure for Insufficient Heating.
MTC-52Noise Go to Trouble Diagnosis Procedure for Noise.
MTC-53Symptom Reference Page
1. Refrigerant pressure sensor E17 (if
equipped) 2. A/C compressor F3 (if equipped)
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MTC
N
O P
Schematic
INFOID:0000000004307064
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MTC
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Wiring Diagram - A/C,M -
INFOID:0000000004307066