Diagnosis Table - Suzuki Ignis Service Manual

DIAGNOSIS TABLE

Condition
Heater blower fan
motor won't work even
when its switch is
operating position.
Heater blower fan
won't work when its
switch is maximum
position.
Incorrect temperature
output.
When mode control
lever is changed, air
outlet port is not
changed or lever posi-
tion disagree with air
outlet port.
DIAGNOSIS
Possible Cause
Fuse blown
Blower main relay faulty
Blower fan motor resistor faulty
Blower fan motor switch faulty
Blower fan motor faulty
Wiring or grounding faulty
Blower maximum relay faulty
Blower fan motor switch faulty
Wiring or grounding faulty
Control cables broken or binding
Temperature control lever faulty
Position of control cable clamp is faulty
Temperature door assembly broken
Air ducts clogged
Heater core leaking or clogged
Heater hoses leaking or clogged
Thermostat faulty
Control cable broken or binding
Mode control lever faulty
Position of control cable clamp is faulty
Air damper broken
Air ducts leaking or clogged
HEATER AND VENTILATION 1A-3
Correction
Check "HEATER" fuse, main heater
fuse and check for short circuit to
ground.
Check blower main relay.
Check resistor.
Check blower fan switch.
Replace motor.
Repair as necessary.
Check blower maximum relay.
Check blower fan switch.
Check wiring, grounding and repair
as necessary.
Check cables.
Check control lever.
Check and adjustment.
Repair temperature door assembly.
Repair air ducts.
Replace core.
Replace hoses.
Check thermostat by referring to
Section 6B.
Check cable.
Check control lever.
Check and adjust clamp posi-
tion.Check and adjustment.
Repair damper.
Repair air ducts.