User SUZUKI GRAND VITARA 2000 2.G Service Workshop Manual

YH4
GRAND
VITARA
HEATER AND VENTILATION 1A-3
BODY VENTILATION
The body ventilation system of this vehicle has a fresh air intake located at the cowl top panel. When fresh air intake
control lever is at FRESH AIR position, ventilating air is drawn into the interior from the cowl center garnish and
drawn out from the ventilator outlet provided at each side body outer panel (both right and left side).
DIAGNOSIS
DIAGNOSIS TABLE
TroublePossible causeRemedy
Heater blower won't
work even when its
switch is ON.Blower fuse blown
Blower resistor faulty
Blower motor faulty
Wiring or grounding faultyReplace fuse to check for short.
Check resistor.
Replace motor.
Repair as necessary.
Incorrect temperature
output.Control cables broken or binding
Air damper broken
Air ducts clogged
Heater radiator leaking or clogged
Heater hoses leaking or cloggedCheck cables.
Repair damper.
Repair air ducts.
Replace radiator.
Replace hoses.
When mode control
switch is changed,
air outlet port is not
changed.Mode control switch faulty
Mode actuator faulty
Fuse blown
Wiring or grounding faulty
Air damper broken
Air ducts cloggedCheck and replace as necessary.
Check and replace as necessary.
Replace fuse to check for short.
Repair as necessary.
Repair damper.
Repair air ducts.

YH4
GRAND
VITARA
1B-14 AIR CONDITIONING (OPTIONAL)
HIGH PRESSURE CAUGE LOW PRESSURE GAUGE THERMOMETER AT
CENTER DUCT
Insufficient
cooling of
condenser
PERFORMANCE DIAGNOSIS TABLE
TESTING RESULTSPOSSIBLE CAUSEREMEDY
Pressure high
(ªAº area of high side
graph)
Refrigerant overcharged

Expansion valve frozen or clogged

Clogged refrigerant passage of high side

Condenser fan malfunction

Dirty or bent condenser fins

Compressor malfunction (Insufficient oil etc.)

Engine overheat
Recharge

Check expansion valve

Clean or replace

Check condenser fan

Clean or repair

Check compressor

Check engine cooling
system
Pressure low
(ªBº area of high side
graph)
Insufficient refrigerant (Insufficient charge or
leakage)

Expansion valve malfunction (Valve opens too
wide)

Compressor malfunction (Insufficient
compression)
Check for leakage, repair if
necessary and recharge

Check expansion valve

Check compressor
Pressure high
(ªAº area of low side
graph)
Expansion valve malfunction (Valve opens too
wide)

Compressor malfunction (Insufficient
compression)
Check expansion valve

Check compressor
Pressure low
(ªBº area of low side
graph)
Insufficient refrigerant (Insufficient charge or
leakage)

Expansion valve malfunction (Valve opens too
narrow)

Clogged refrigerant passage (Crashed pipe)
Check for leakage, repair if
necessary and recharge

Check expansion valve

Repair or replace
Outlet air temperature
at center duct is high
(Crossing point is in
area ªAº)
Insufficient or excessive charge of refrigerant

Dirty or bent evaporator fins

Air leakage from cooling (heater) unit or air
duct

Malfunctioning, switchover function of damper
in cooling (heater) unit

Compressor malfunction
Check refrigerant
pressure

Clean or repair

Repair or replace

Repair or replace

Check compressor
Outlet air temperature
at center duct is low
(Crossing point is in
area ªBº)
Insufficient air volume from center duct
(Heater blower malfunction)

Compressor malfunction
Check blower motor and
fan

Check compressor
NOTE:
If ambient temperature is within 30 ± 35C (85 ± 95F), it is possible to do using next page table for more
detail diagnosis.

YH4
GRAND
VITARA
AUTOMATIC TRANSMISSION (4 A / T) 7B1-23
User name: Model: VIN:
Date of issue: Date of Reg: Date of problem: Mileage:
PROBLEM SYMPTOMS
Engine does not start
Vehicle does not move
(forward, rearward)
No lock-up (TCC clutch operation)
Shift point too high or too low
Excessive gear change shockEngine stops
Transmission does not shift
(1st, 2nd, 3rd, 4th, Rev) gear
Automatic shift does not occur
Transmission slipping in
(1st, 2nd, 3rd, 4th, Rev) gear
Other:
VEHICLE/ ENVIRONMENTAL CONDITION WHEN PROBLEM OCCURS
Environmental Condition
Weather
Temperature
Frequency
RoadFair/Cloudy/Rain/Snow/Always/Other ( )
Hot/Warm/Cool/Cold/(
C
F)/Always
Always/Sometimes/( times/ day, month)/Only Once
Urban/Suburb/Highway/Mountainous (uphill/downhill)/Paved road/Gravel/
Other( )
Vehicle Condition
Engine
Brake
O/D cut switch
P/N change switch
(P,R,N,D,2,L) range/(
) range
Cold/Warming up phase/Warmed up
At stop/During driving (constant speed/accelerating/decelerating/
right hand corner/left hand corner)/Other ( )/Speed ( km/h mile/h)
Speed( r/min)/Throttle opening(idle/about %/full)
Apply/Not apply
ON/OFF
Power/Normal
Malfunction indicator lamp condition
Always ON Sometimes ON Always OFF Good condition
Diagnostic trouble
codeFirst check : No codeMalfunction code( )
Second check : No code Malfunction code( )
Transmission range
Transmission temp.
Vehicle
CUSTOMER PROBLEM INSPECTION FORM (EXAMPLE)
NOTE:
The above form is a standard sample. It should be modified according to conditions characteristic of each
market.