Suzuki WagonR+ RB310 Service Manual page 2084

Condition
Cool air does not come
out or insufficient
cooling (A/C system
normal operative)
Cool air does not comes
out only intermittently
Cool air comes out only
at high speeds
Cool air does not come
out only at high speeds
Insufficient velocity of
cooled air
Possible Cause
D Compressor faulty
D Air in A/C system
D Air leaking from cooling unit or air duct
D Heater and ventilation system faulty
D Blower motor faulty
D Excessive compressor oil existing in
A/C system
D Wiring connection faulty
D Expansion valve faulty
D Excessive moisture in A/C system
D Magnetic clutch faulty
D Excessive charge of refrigerant
D Condenser clogged
D Insufficient charge of refrigerant
D Air in A/C system
D Drive belt slipping
D Compressor faulty
D Excessive charge of refrigerant
D Evaporator frosted
D Evaporator clogged or frosted
D Air leaking from cooling unit or air duct
D Blower motor faulty
D Wiring or grounding faulty
D Air filter element clogged
AIR CONDITIONING (OPTIONAL) 1B-5
Correction
Check compressor.
Replace receiver/dryer, and
evacuation and charging.
Repair as necessary.
Check air inlet box assembly.
Check heater control lever assembly.
Check heater assembly.
Check blower motor.
Evacuate and charge system.
Repair as necessary.
Check expansion valve.
Replace receiver/dryer, and
evacuation and charging.
Check magnetic clutch.
Check charge of refrigerant.
Check condenser.
Check charge of refrigerant.
Replace receiver/dryer, and
evacuation and charging.
Check or replace drive belt.
Check compressor.
Check charge refrigerant.
Check evaporator.
Check evaporator.
Repair as necessary.
Check blower motor.
Repair as necessary.
Check air filter element.