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Home >> Suzuki >> 2007 >> Aerio Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater And Ventilation >> Diagnosis Information & Procedure >> DTC Clearance >> Not Using SUZUKI Scan Tool
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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 CLEARANCE .
  1. Ensure that fresh air indicator (1) and recirculation air indicator (2) operate properly.
  2. Set the following selectors to the specified positions respectively.
    • Temperature selector (3): Maximum cool position
    • Air flow selector (4): Ventilation position
    • Blower speed selector (5): OFF position
  3. Keep air intake switch (6) and rear defogger switch (7) pressed, and then turn ignition switch to ON position for indicating current DTC(s).
  4. Press rear defogger switch (7) for shifting to history DTC mode.
  5. To clear history DTC(s), press rear defogger switch (7) for more than 5 seconds.
    NOTE: To finish DTC clearance mode, rotate any one of temperature selector, air flow selector, and blower speed selector.
    Fig 1: Identifying Rear Defogger Switch
    G04590781Courtesy of SUZUKI OF AMERICA CORP.