Chery QQ - Trouble-Shooting Chart Electron Temperature Control System

Chery QQ Service Manual
Improperly wiring in the circuit
Over damp system
Check the expansion valve
Repair if necessary
evacuate and charge the
system
cold air exists only at high
speed
Condensator is blocked
Drive belt trackslip
Compressor fault
Insufficient or over-charged
refrigerant
Air exists in the system
Check the condensator
Check or replace the drive
belt
Check the compressor
Check the refrigerant charge
Evacuate and charge the
system with refrigerant
Insufficient refrigeration
Condensator is blocked
Drive belt trackslip
Electric magnetic clutch fault
Compressor fault
Expansion valve fault
Thermistor fault
Insufficient or over-charged
refrigerant
Air exists in the system or excessive
oil in the compressor
Stock solution drier is blocked
Check the condensator
Check or replace the drive
belt
Check the electric magnetic
clutch
Check the compressor
Check the expansion valve
Check the thermistor
Check refrigerant charge
Evacuate and charge the
system
Check the stock solution
drier
Insufficient flow speed of
cold air
Evaporator is blocked or frosts
Air leakage in the cooling device or
air ducts
Air inlet is blocked
Air blower motor fault
Check the evaporator
Repair if necessory
Repair if necessory
Replace the air blower
motor
II Trouble-shooting Chart（electron temperature control system）
Chery Automobile Co.,Ltd
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