Other information:
Description
ECM input/output valve when the engine control system operates normally.NOTE:
The SP value is indicated when “DISPLAY TYPE” is “Line Graph”.
When the indicated value of “DATA MONITOR” mode is within the SP value, the engine control system is confirmed OK...
Symptom Table
Symptom Noise source Probable cause Corrective action
Unusual noise from compressor when A/C is ON.
Inside of A/C compressor
Worn, broken, or clogged internal components.
Check compressor oil. Refer to Inspection.
Magnet clutch
Contact of clutch disc with pulley...