Suzuki GRAND VITARA Owner's Manual page 1128

7B-19 Air Conditioning System:
Scan Tool Data
MODE POS SENSOR
A/C CONT SIG
AIR INTAKE MODE
A/C COMP CLUCH
REFRIGERANT PRESSURE
A/C INDICATOR LAMP
FRE INDICATOR LAMP
REC INDICATOR LAMP
REAR DEF INDICATOR
VEHICLE SPEED
ENGINE SPEED
Scan Tool Data Definitions
TEMP CONT SWITCH: Position of temperature control
selector of HVAC control module
CABIN TEMPERATURE: In-car temperature detected
by inside air temperature sensor installed in HVAC
control module
OUTSIDE AIR TEMP (OUTSIDE AIR
TEMPERATURE): Outside air temperature
detected by outside air temperature sensor installed
in front bumper member
EVAPORATOR TEMP: Temperature of air passed
through evaporator
COOLANT TEMP: Engine coolant temperature
detected by engine coolant temperature sensor
SUN LOAD: Amount of sunlight detected by sunload
sensor installed on the driver side on the dashboard
MODE CONT SWITCH: Position of airflow selector of
HVAC control module
FAN CONT SWITCH: Position of air speed selector of
HVAC control module
FAN DESIRE VOLT: Voltage for blower motor
AIR MIX POS SENSOR: Input signal from position
sensor in temperature control actuator
MODE POS SENSOR: Input signal form position
sensor in air flow control actuator
Condition
Reference value is relative to the position of airflow
selector of HVAC control module.
A/C system is ON.
A/C system is OFF.
Fresh air (FRE) mode is activated.
Recirculation air (REC) mode is activated.
AUTO mode is activated.
Magnet clutch is engaged.
Magnet clutch is not engaged.
A/C ON (A/C is operating) at ambient
temperature: 30 °C (86 °F)
Engine
running.
A/C ON (A/C is not operating) at ambient
temperature: 30 °C (86 °F) and engine coolant
temperature: 90 °C – 100 °C (194 °F – 212
°F)
A/C indicator lamp is lighted.
A/C indicator lamp is not lighted.
Fresh air (FRE) indicator lamp is lighted.
Fresh air (FRE) indicator lamp is not lighted.
Recirculation air (REC) indicator lamp is lighted.
Recirculation air (REC) indicator lamp is not lighted.
Rear defogger indicator lamp is lighted.
Rear defogger indicator lamp is not lighted.
At stop.
At engine idle speed
R/F POS SENSOR (AIR FLOW CONTROL ACTUATOR
POSITION SENSOR): Input signal from position
sensor in air intake control actuator
A/C CONT SIG (ON or OFF): State of A/C indicator
lamp
AIR INTAKE MODE (FRE, REC or MIX): State of air
intake mode
A/C COMP CLUCH: State of magnet clutch
REFRIGERANT PRESSURE (A/C REFRIGERANT
ABSOLUTE PRESSURE): This parameter
indicates A/C refrigerant absolute pressure
calculated by ECM
A/C INDICATOR LAMP (ON or OFF): State of A/C
indicator lamp
FRE INDICATOR LAMP (ON or OFF): State of fresh air
(FRE) indicator lamp
REC INDICATOR LAMP (ON or OFF): State of
recirculation air (REC) indicator lamp
REAR DEF INDICATOR (ON or OFF): State of rear
defogger indicator lamp
VEHICLE SPEED: It is computed based on pulse
signals from vehicle speed sensor
ENGINE SPEED: It is computed by signal from CMP
sensor
Normal Condition /
Reference Value
Approx. 0.5 V (DEF)
Approx. 4.5 V (VENT)
ON
OFF
FRE
REC
AUTO
ON
OFF
1350 – 1650 kPa for more
details, refer to pressure of
high pressure gauge under
"A/C System Performance
Inspection: ".
600 – 1000 kPa after
longer than 10 min from A/
C switch turned off.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
0 km/h (0 mph)
Engine idle speed is
display