U–64
TROUBLESHOOTING
FOREWORD
A6E858001038W01
• The areas for inspection (steps) are given according to various circuit malfunctions. Use the following chart to
verify the symptoms of the trouble in order to diagnose the appropriate area.
End Of Sie
TROUBLESHOOTING INDEX
A6E858001038W02
End Of Sie
TROUBLESHOOTING
No. TROUBLESHOOTING ITEM DESCRIPTION
1 Insufficient air (or no air) blown from vents. • Problem with each vent and/or duct.
2 Amount of air blown from vents does not change. (Full-
auto air conditioner)
• Malfunction in blower system.
3 Amount of air blown from vents does not change. (Manual
air conditioner)
• Malfunction in blower system.
4 Air intake mode does not change. • Air intake mode does not change when switching
REC/FRESH mode.
5 No temperature control with climate control unit. • Malfunction in A/C unit and/or climate control unit
air mix system.
6 Windshield fogged. • A/C compressor does not operate while airflow
mode is in DEFROSTER or HEAT/DEF modes.
• Air intake mode does not change to FRESH while
airflow mode is in DEFROSTER or HEAT/DEF
modes.
7 Air from vents not cold enough. • Magnetic clutch operates but A/C system
malfunctions.
8 No cool air. • Magnetic clutch does not operate.
9 Noise while operating A/C system. • Noise from magnetic clutch, A/C compressor, hose
or refrigerant line.
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