Suzuki WagonR+ RB310, Руководство по обслуживанию

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1B-4 AIR CONDITIONING (OPTIONAL)
DIAGNOSIS
GENERAL DIAGNOSIS TABLE
Condition Possible Cause Correction
Cool air does not come
out (A/C system
improper operative) A/C system inoperative
!
No refrigerant
!
Fuse blown
!
A/C switch faulty
!
Blower fan switch faulty
!
A/C thermistor faulty
!
Dual pressure switch faulty
!
Wiring or grounding faulty
!
ECT sensor faulty
!
ECM faulty
Recover, evacuation and charging.
Check
“ IG COIL ” fuse, “ HEATER ” fuse
and check for short circuit to ground.
Check A/C switch.
Check blower fan switch.
Check A/C thermistor.
Check dual pressure switch.
Repair as necessary.
Check ECT sensor.
Check ECM.
Compressor inoperative (dose not
rotate)
!
Magnet clutch faulty
!
Drive belt loose or broken
!
Compressor faulty
!
ECM faulty
Check magnet clutch.
Adjust or replace drive belt.
Check compressor.
Check ECM.
Radiator (and condenser), cooling
fan motor inoperative
!
Fuse blown
!
Radiator cooling fan relay faulty
!
Wiring or grounding faulty
!
Radiator cooling fan motor faulty
!
ECM faulty
Check RDTR fuse and check short
circuit to ground.
Check radiator cooling fan relay.
Repair as necessary.
Check radiator cooling fan motor.
Check ECM.
Blower motor inoperative
!
Fuse blown
!
Blower resistor faulty
!
Blower fan switch faulty
!
Wiring or grounding faulty
!
Blower motor faulty
Check “ HEATER ” fuse and check for
short circuit to ground.
Check blower motor resistor.
Check blower fan switch.
Repair as necessary.
Check blower motor.
When the blower fan
switch is OFF position,
blower motor does not
operate at A/C switch is
ON
!
A/C blower motor relay faulty
!
Wiring or grounding faulty
!
A/C switch faulty
Check A/C blower motor relay.
Repair as necessary.
Check A/C switch.
Cool air does not come
out or insufficient
cooling (A/C system
normal operative)
!
Insufficient or excessive charge of
refrigerant
!
Condenser clogged
!
Evaporator clogged or frosted
!
A/C thermistor faulty
!
Expansion valve faulty
!
Receiver/dryer clogged
!
Drive belt slipping
!
Magnetic clutch faulty
Check charge of refrigerant.
Check system for leaks.
Check condenser.
Check evaporator and position of A/C
thermistor.
Check A/C thermistor.
Check expansion valve.
Check receiver/dryer.
Check or replace drive belt.
Check magnetic clutch.