Without Scan Tool
DTC CheckNot 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: Automatic Type.
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.