Chery QQ - Trouble-Shooting; Trouble-Shooting Chart

Chery QQ Service Manual
your eyes and skin.
（5）fit the maintenance valve cover.
Section 8 Trouble-shooting
I. Trouble-shooting Chart
Fault Possible reasons Action
No cold or heat air
Electric magnetic clutch operating
fault
a.fuse blowout or relay fault
b.electric magnetic clutch fault
c.air conditioning system switch fault
d.thermistor fault
e.high-low pressure protection switch
fault
f.wiring or grounding fault
g.no refrigerant
h.ECU fault
Compressor runs abnormally
a.drive belt slacks or has cracking
b.compressor fault
Air blower fault
Expansion valve fault
System leakage
Fusible plug of the
stock solution
drier melts or is blocked
Replace the fuse and check
if short circuit occurs
Check the clutch
Check the switch
Check thermistor
Check the switch
Repair if necessary
Check the air conditioning
pipe line
Replace ECU
Fasten or replace the belt
Check the compressor
Check the air blower
Check expansion valve
Check leakage in system
Check the stock solution
drier
Discontinuous cold air
Electric magnetic clutch slides
ECU fault
Expansion valve fault
Check the electric magnetic
clutch
Replace ECU
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