AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) > DIAGNOSTIC TROUBLE CODE CHART

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HINT:
When the air conditioning system functions properly, DTC B1400/00 is output.

Air Conditioning System 
DTC Code
Detection Item
Trouble Area
Memory
See page
B1412/12
Ambient Temperature Sensor Circuit
Ambient temperature sensor
Harness and connector between ambient temperature sensor and combination meter assembly
Air conditioning amplifier
Combination meter assembly
CAN communication line
Memorized
(8.5 min. or more)
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B1413/13
Evaporator Temperature Sensor Circuit
No. 1 cooler thermistor (evaporator temperature sensor)
Harness and connector between No. 1 cooler thermistor (evaporator temperature sensor) and air conditioning amplifier
Air conditioning amplifier
Memorized
(8.5 min. or more)
Click here
B1423/23
Pressure Sensor Circuit
Air conditioning pressure sensor
Harness and connector between
air conditioning pressure sensor and air conditioning amplifier
Air conditioning amplifier
-
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B1451/51
Compressor Solenoid Circuit
A/C Compressor
Harness and connector between air conditioning amplifier and A/C Compressor
Air conditioning amplifier
-
Click here
B1499/99
Multiplex Communication Circuit
Air conditioning amplifier power source circuit
Air conditioning amplifier
ECM
Combination meter assembly
CAN communication line
-
Click here