Air Conditioning System: Automatic Type 7B-43
Not Using SUZUKI Scan Tool
Current DTC mode
1) Light over sunload sensor vertically with an
incandescent lamp of approximately 100 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.
2) Start engine.
3) Wait for 20 seconds or more after engine started and
set temperature selector to 25 °C (77 °F).
4) Push AUTO switch (1) and defroster switch (2) at the
same time.
5) Check DTC (3).
NOTE
• DTC flashes for 15 seconds. After that, the
normal display is restored. To have DTC
displayed again, repeat the procedure from
Step 4.
• 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.
History DTC mode
1) Turn ignition switch to ON position.
2) Set temperature selector to 25 °C (77 °F).
3) Push AUTO switch (1) and MODE (air flow) selector
(2) at the same time.
4) Check DTC (4).
NOTE
Each DTC item is displayed (lights up) for 4
seconds.
When HVAC control module detects 2 or
more DTC items, each one is displayed once
starting from the one of higher priority order.
After all DTC items being detected have been
displayed, “Ed” (3) appears on display of
HVAC control module and normal display is
restored. “Ed” means that all DTC items have
been displayed.
DTC Clearance
S7RS0B7224004
NOTE
Only history DTC(s) can be cleared. Current
DTC(s) can not be cleared unless the
problem(s) is fixed.
Using SUZUKI Scan tool
1) Turn ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector
(DLC) (1) located on underside of instrument panel
at driver’s seat side.
Special tool
(A): SUZUKI scan tool
1
2
3
I5RS0A722006-02
1
2
3
4
I5RS0A722007-02
(A)
1
I5RS0A722005-01
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