Air conditioning system cannot be operated using air conditioning control assembly
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(With the exception of the switch indicators, no inputs are reflected when other switches operated)
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LIN communication line (air conditioning amplifier assembly - air conditioning control assembly)
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+B or ground in air conditioning amplifier assembly circuit
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Air conditioning amplifier assembly
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Air conditioning control assembly
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Harness or connector
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Air conditioning system cannot be operated using air conditioning control assembly
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(Air conditioning system display operates)
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Air conditioning control assembly
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Air conditioning system cannot be operated using air conditioning control assembly immediately after starting the engine
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Refer to "INITIALIZATION"
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A/C switch indicator does not illuminate
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Air conditioning amplifier assembly
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Air conditioning control assembly
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Servo motor
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Damper and damper link
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Refrigerant pressure
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Ambient temperature
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