COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION
Compressor: ON
Air outlet: AUTO
Air inlet: FRE ( )
Blower fan speed: AUTO
Set temperature: Setting before communication error occurs
Display: OFF
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW\
1.CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
Interview the customer to obtain the malfunction information
(conditions and environment when the malfunction occurred).
Check the symptom.
2.SELF-DIAGNOSIS ( ...
P0197, P0198 EOT sensor
Description
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temperature. The sensor modifies a voltage signal from the ECM.
The modified signal returns to the ECM as the engine oil temperature
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P0117, P0118 ECT sensor
Description
The engine coolant temperature sensor is used to detect the engine
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ECM. The modified signal returns to the ECM as the engine coolant
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the c ...