Suzuki Jimny Service Manual page 67

1B-6 AIR CONDITIONING (OPTIONAL)
Condition
Cool air won't come
out or insufficient
cooling (A/C system
normal operative)
Cool air won't come
out only intermittently
Cool air comes out
only at high speed
Cool air won't come
out only at high speed
Insufficient velocity of
cooled air
Possible Cause
Insufficient or excessive charge of
refrigerant
Condenser clogged
A/C evaporator clogged or frosted
A/C evaporator thermistor faulty
Expansion valve faulty
Receiver / dryer clogged
Compressor drive belt loosen or broken Adjust or replace drive belt.
Magnetic clutch faulty
Compressor faulty
Air in A/C system
Air leaking from cooling unit or air duct
Heater and ventilation system faulty
Blower fan motor faulty
Excessive compressor oil existing in
A/C system
Wiring connection faulty
Expansion valve faulty
Excessive moisture in A/C system
Magnetic clutch faulty
Excessive charge of refrigerant
Thermal switch faulty
Condenser clogged
Insufficient charge of refrigerant
Air in A/C system
Compressor drive belt loosen or broken Adjust or replace drive belt.
Compressor faulty
Excessive charge of refrigerant
A/C evaporator frosted
A/C evaporator clogged or frosted
Air leaking from cooling unit or air duct
Blower fan motor faulty
Wiring or grounding faulty
Correction
Check charge of refrigerant and system for
leaks.
Check condenser.
Check A/C evaporator and A/C evaporator
thermistor.
Check A/C evaporator thermistor.
Check expansion valve.
Check receiver / dryer.
Check magnetic clutch.
Check compressor.
Replace receiver / dryer, and perform
evacuation and charging.
Repair as necessary.
Check air inlet box (cooling unit), heater
control lever assembly and heater unit
referring to Section 1A.
Check blower fan motor referring to Sec-
tion 1A.
Pull out compressor oil in A/C system cir-
cuit, and replace compressor.
Repair as necessary.
Check expansion valve.
Replace receiver / dryer, and perform
evacuation and charging.
Check magnetic clutch.
Check charge of refrigerant.
Check thermal switch.
Check A/C condenser.
Check charge of refrigerant.
Replace receiver / dryer, and perform
evacuation and charging.
Check compressor.
Check charge refrigerant.
Check A/C evaporator and A/C evaporator
thermistor.
Check A/C evaporator and A/C evaporator
thermistor.
Repair as necessary.
Check blower fan motor referring to Sec-
tion 1A.
Repair as necessary.