Suzuki Liana RH413, Service Manual

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Air Conditioning System: Automatic Type 7B-46
6) After completing the check, turn ignition switch to
OFF position and disconnect SUZUKI scan tool from
data link connector (DLC).
Not Using SUZUKI Scan Tool
NOTE
In case of malfunctions related to
temperature selector, blower speed selector
and/or air flow selector on HVAC control
module, the following procedure can not be
used. However, SUZUKI scan tool can be
used to perform DTC check.
1) Ensure that fresh air indicator (1) and recirculation
air indicator (2) operate properly.
2) Light over sunload sensor vertically with an
incandescent lamp of approximately 60 W apart from
about 100 mm (3.94 in.).
NOTE
If sunload sensor is not lighted over with an
incandescent lamp, DTC B1504 is detected
as current DTC even though there is not any
malfunction.
3) Set the following selectors to the specified positions
respectively.
• Temperature selector (3): Maximum cool position
• Air flow selector (4): AUTO position
• Blower speed selector (5): OFF position
4) Keep air intake switch (6) and rear defogger switch
(7) pressed, and then turn ignition switch to ON
position.
5) Read DTCs from flashing pattern of fresh air
indicator (1) and recirculation air indicator (2)
referring to “DTC Table”.
NOTE
• When more than two DTCs are detected,
only DTC having the highest priority is
indicated. Therefore, after troubleshooting
the malfunction, DTC check has to be
performed again to see if any other DTC(s)
is detected.
• To finish DTC check, rotate any one of
temperature selector, air flow selector, and
blower speed selector.
6) Press rear defogger switch (7) for shifting to history
DTC mode.
NOTE
• For shifting back to current DTC mode,
perform step 1) to 4).
• To finish DTC check, rotate any one of
temperature selector, air flow selector, and
blower speed selector.
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