Suzuki Wagon R Manual page 52

DIAGNOSIS TABLE
Trouble
Heater blower won't work
even when its switch is
ON.
Incorrect temperature
output.
When mode control lever
is changed, air outlet port
is not changed or lever
position disagree with air
outlet port.
WIRING CIRCUIT
To IG fuse
DIAGNOSIS
Possible Cause
D Blower fuse blown
D Blower resistor faulty
D Blower switch faulty
D Blower motor faulty
D Wiring or grounding faulty
D Control cables broken or binding
D Temperature control lever faulty
D Control cable clamp position is faulty
D Air damper broken
D Air ducts clogged
D Heater radiator leaking or clogged
D Heater hoses leaking or clogged
D Thermostat faulty
D Control cables broken or binding
D Air damper broken
D Air ducts clogged
D Air damper broken
D Air ducts leaking or clogged
Main 80A
Main
60A
HEATER
LICENCE
25A
to
10A
lighting
switch
To A / C
switch
Check for short to ground and replace
fuse.
Check resistor.
Check blower switch.
Replace motor.
Repair as necessary.
Check cables.
Check control lever.
Check and adjustment.
Repair damper.
Repair air ducts.
Replace radiator.
Replace hoses.
Check thermostat.
Check cable.
Check control lever.
Check and adjustment.
Repair damper.
Repair air ducts.
Main
60A
HEATER AND VENTILATION 1A-3
Remedy
1. Blower motor
2. Blower motor resistor
3. Blower switch
4. Ignition switch
5. Lighting relay
6. A / C relay (if equipped with A / C)