LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System >> Diagnostic Information And Procedures >> DTC B1521: Blower Speed Selector And/Or Its Circuit Malfunction >> DTC Confirmation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Procedure

  1. Connect scan tool to DLC with ignition switch turned OFF.
  2. Turn ON ignition switch and clear DTC using scan tool.
  3. Turn blower speed selector to the light and left as far as it stops, repeat it 10 seconds.
  4. Check DTC.
scientia non olet · About LEMON Manuals