2001 SUZUKI GRAND VITARA Air conditioning

1B-30 AIR CONDITIONING (OPTIONAL)
REMOVAL
1) Remove rear A/C unit referring to “REAR A/C UNIT” in this
section.
2) Disconnect solenoid valve connector (1).
3) Loosen solenoid valve bracket mounting screws (2).
4) Remove rear liquid pipe and rear suction pipe bolt (1), and
then disconnect rear liquid pipe (2) and rear suction pipe (3)
with solenoid valve and its bracket from rear expansion valve
(4).
5) Remove rear expansion valve (4) from rear A/C unit (5).
INSTALLATION
Reverse removal procedure to install rear expansion valve.
Rear A/C Evaporator Temperature Controller
REMOVAL
1) Remove rear A/C unit referring to “REAR A/C UNIT” in this
section.
2) Disconnect rear A/C evaporator temperature controller con-
nector (1).
3) Remove rear A/C evaporator temperature controller (2) from
rear A/C unit.
21
NOTE:
Cap open fitting immediately to keep moisture out of sys-
tem.
4
1
2
3
5
1 2

AIR CONDITIONING (OPTIONAL) 1B-31
INSPECTION
1) Connect battery positive (+) cable to terminal “b” and battery
negative (–) cable to terminal “c” as shown.
2) Using ohmmeter, check continuity between terminal “a” and
terminal “b” at specified temperature as shown.
Rear A/C evaporator temperature controller specification :
“A” : Approximately 3.5 °C (38.3 °F)
“B” : Approximately 5.0 °C (41 °F)
INSTALLATION
Reverse removal procedure to install rear A/C evaporator temper-
ature controller noting the following instruction.
When the rear A/C evaporator thermistor (temperature sen-
sor) removed, it should be reinstalled in original position.
Refrigerant Pipes and Hoses
INSPECTION
Use a leak tester to check hoses and pipes for any gas leakage.
Check each hose or pipe clamp for tightness. Retighten or replace loose clamp as required, if any.
REMOVAL
1) Recover refrigerant by using recovery and recycling equipment. Be sure to follow the instruction manual for
the equipment.
The amount of compressor oil removed must be measured and the same amount must be added to the sys-
tem when reinstalling.
2) Replace defective hose or pipe.
INSTALLATION
Reverse removal procedure to install refrigerant line noting the following instruction.
Evacuate and charge system. Refer to “EVACUATING” and “CHARGING” in this section.
CAUTION:
As soon as the above hose or pipe is disconnected, cap its opened fitting to prevent moisture and
dust from entering.
NOTE:
Remove EVAP canister and fuel tank cover, if necessary

1B-32 AIR CONDITIONING (OPTIONAL)
Solenoid Valve
REMOVAL
1) Remove rear A/C unit referring to “REAR A/C UNIT” in this
section.
2) Disconnect solenoid valve connector (1).
3) Loosen solenoid valve flared nuts (2).
4) Remove solenoid valve bracket mounting screws (3), and
then remove rear liquid pipe (4) and rear suction pipe (5)
from rear expansion valve.
5) Remove rear liquid pipe (4), rear suction pipe (5) and sole-
noid valve bracket (6) from solenoid valve (7).
INSPECTION
1) Connect special tool to solenoid valve (1).
Special tool
(A) : 09917-47910
2) Check that solenoid valve is closed when vacuum is applied
to solenoid valve.
If solenoid valve is opened, replace solenoid valve.
3) Check that solenoid valve (1) is opened when connect bat-
tery to solenoid valve as shown in figure.
INSTALLATION
Reverse removal procedure to install solenoid valve.NOTE:
Cap open fitting immediately to keep moisture out of sys-
tem.
2
5
367 1 3 4
1(A)
NOTE:
Solenoid valve terminal is no polarity.
1

AIR CONDITIONING (OPTIONAL) 1B-33
Rear Blower Motor Assembly
REMOVAL
1) Remove solenoid valve referring to “SOLENOID VALVE” in
this section.
2) Disconnect rear blower motor coupler (1).
3) Remove rear blower motor assembly (2) from rear A/C unit
(3).
INSPECTION
1) Check continuity between two terminal as shown.
If check results are no continuity, replace rear blower motor
assembly (1).
2) Check operate and current.
a) Fix rear blower motor assembly (1) by using vise.
b) Connect battery to rear blower motor assembly (1) as
shown.
c) Check that there is smoothly operates and no noise.
d) Check that ammeter indicates specified current.
If measure current is incorrect, replace blower motor
assembly.
Rear blower fan motor specified current at 12V
: 16 A maximum
INSTALLATION
Reverse removal procedure for installation.
2
3
1

1B-34 AIR CONDITIONING (OPTIONAL)
Rear Blower Motor Relay and Solenoid Valve
Relay
INSPECTION
1) Disconnect negative (–) cable at battery.
2) Remove rear blower motor relay (1) and/or solenoid valve
relay (2) from vehicle.
3) Check that there is no continuity between terminal “c” and
“d”. If there is continuity, replace relay.
4) Connect battery positive (+) terminal to terminal “a” of relay.
5) Connect battery negative (–) terminal “b” of relay.
6) Check continuity between terminal “c” and “d”.
If there is no continuity when relay is connected to the bat-
tery, replace relay.
Rear A/C Main Switch
REMOVAL
1) Remove rear console box (1).
2) Remove front console box mounting screws (2) and clips (3).
3) Disconnect console box wire coupler.
4) Remove rear console box (4).
5) Disconnect rear A/C main switch connector.
6) Remove A/C main switch (5) from front console box (4).
2
1
2
4
3
15
2
3

AIR CONDITIONING (OPTIONAL) 1B-35
INSPECTION
Check rear A/C main switch for each terminal-to-terminal
continuity.
If check results are not specified, replace rear A/C main
switch.
INSTALLATION
Reverse removal procedure for installation.
Rear Blower Motor Resistor
REMOVAL
1) Remove rear A/C unit referring to “REAR A/C UNIT” in this
section.
2) Disconnect rear blower motor resistor connector (1).
3) Remove rear blower motor resistor (2) from rear A/C unit (3).
INSPECTION
Measure each terminal-to-terminal resistance.
If measured resistance is incorrect, replace rear blower motor
resistor (1).
Rear blower motor resister resistance
Mo-L : Approx. 2.4
Ω
ΩΩ Ω
Mo-ML : Approx. 1.2
Ω
ΩΩ Ω
Mo-MH : Approx. 0.6
Ω
ΩΩ Ω
INSTALLATION
Reverse removal procedure to install rear blower motor resistor.
TERMINAL
POSITION
ON
OFFabcde
1
2
3
Mo
L
MH
1ML

1B-36 AIR CONDITIONING (OPTIONAL)
Rear Blower Motor Switch
INSPECTION
Check rear blower motor switch for each terminal-to-terminal
continuity.
If check results are not specified, replace rear blower motor
switch.
Check rear blower motor switch bulb come ON when con-
nect battery positive (+) cable to terminal “c” and battery
negative (–) cable to terminal “f”.
If A/C blower fan switch bulb does not come ON, replace it.
1. Rear blower motor switch 5. Rear A/C air louver holder
Install proper direction as shown in figure
2. Bulb 6. Rear A/C air louver
3. Bracket 7. Knob
4. Rear A/C air louver case
2
13
4
66
7
55
ab
f e
dc
TERMINAL
POSITION
Low
Middle
Highabde
OFF

AIR CONDITIONING (OPTIONAL) 1B-37
Rear A/C No.1 and No.2 Duct
Rear A/C No.1 duct
REMOVAL
1) Remove rear A/C unit referring to “REAR A/C UNIT” in this
section.
2) Remove rear A/C No.1 duct (1).
INSTALLATION
Reverse removal procedure to install rear A/C No.1 duct (1).
Rear A/C No.2 duct
CAUTION:
Never remove rear A/C No.2 duct (2) from head lining.
Performing this prohibited service will break head lining.
1
2