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Home >> Suzuki >> 2009 >> XL7 Limited, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Lighting Systems) >> Diagnostic Information and Procedures >> Headlamps Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2008 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool BCM Auto Hdlp. Disable Sw. parameter while cycling the headlamp switch between the Auto and Off positions. The parameter should cycle between Active and Inactive.
  2. Observe the scan tool BCM Headlamp Switch parameter while cycling the headlamp switch between the Auto and Head position. The parameter should cycle between Active and Inactive.
  3. With the headlamps ON, observe the scan tool BCM Flash to Pass Switch parameter while pulling and releasing the flash to pass switch. The parameter should cycle between Active and Inactive.
  4. With the headlamps ON, observe the scan tool BCM High Beam Select Switch parameter while switching the headlamp dimmer switch between the low and high beam positions. The parameter should cycle between Active and Inactive.
  5. Command the Low Beams ON and OFF with a scan tool. Verify the low beam headlamps turn ON and OFF.
  6. Command the High Beams ON and OFF with a scan tool. Verify the high beam headlamps turn ON and OFF.
  7. Ignition ON, headlamps ON, observe the high beam indicator on the IPC while cycling the high beam dimmer switch ON and OFF. The indicator should turn ON and OFF when changing between commanded states.
    • If the indicator is always OFF or remains always ON, replace the IPC.