Suzuki 2006 SX4, Service Manual

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7B-55 Air Conditioning System: Automatic Type
Scan Tool Data
S6RW0C7224008
As the data values given in the following are standard values estimated on the basis of values obtained from the
normally operation vehicles by using a scan tool, use them as reference values. Even when the vehicles are in good
condition, there may be cases where the checked values do not fall within each specifies data range. Therefore,
judgement as abnormal should not be made by checking with these data alone.
)
B1562
Outside air
temperature signal
failure
HVAC control module maintains last
normal value of outside air
temperature.
4 seconds after, HVAC control module
assuming that outside air temperature
is 20
°
C (68
°
F).
HVAC control module controls actuators
assuming that outside air temperature is
20
°
C (68
°
F).
)
B1570
Engine type signal
failure
HVAC control module controls actuators assuming that engine type signal is J20.
)
B1571
Combination meter
spec signal failure HVAC control module controls actuators assuming that combination meter spec
signal is US.
DTC No. Trouble Area
Fail-Safe Operation
When ignition switch is turned ON
after malfunction is already detected
When malfunction is detected during
ignition switch is ON
Scan Tool Data Condition
Normal Condition / Reference
Value
)
TEMP CONT
SWITCH
Ignition switch turned ON and temperature selector
at maximum cool position MAX Cool (Selected position of
temperature selector is displayed)
)
CABIN
TEMPERATURE
Ignition switch turned ON In-car temperature is displayed
)
OUTSIDE AIR TEMP Ignition switch turned ON Outside air temperature is displayed
)
EVAPORATOR
TEMP
Ignition switch turned ON Evaporator temperature is displayed
) COOLANT TEMP
Ignition switch turned ON
Engine coolant temperature is
displayed
) SUN LOAD Reference value depends on the situation 0 W/m 2 – 1988 W/m 2
) MODE CONT
SWITCH
Ignition switch turned ON and air flow selector at
AUTO position AUTO (Selected position of air flow
selector is displayed)
) FAN CONT SWITCH
Ignition switch turned ON and blower speed selector
at AUTO position AUTO (Selected position of blower
speed selector is displayed)
) FAN DESIRED VOLT
Ignition switch turned ON and blower speed selector
at High
Approx. 12.0 V
Ignition switch turned ON and blower speed selector
at Low
Approx. 4.0 V
) AIR MIX POS SEN
Ignition switch turned ON and temperature selector
at maximum cool position
Approx. 0.5 V
Ignition switch turned ON and temperature selector
at maximum hot position
Approx. 4.5 V
) MODE POS SENSOR
Ignition switch turned ON and air flow selector at
DEF position
Approx. 4.5 V
Ignition switch turned ON and air flow selector at
VENT position
Approx. 0.5 V
) A/C CONT SIG
A/C switch turned ON, blower speed selector at other
than OFF position with engine running
ON
A/C switch turned OFF with engine running OFF
) BLOWER LOAD SIG
Ignition switch turned ON, blower speed selector at
other than OFF position
ON
Ignition switch turned ON, blower speed selector at
OFF position
OFF