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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clear the DTC. Headlamp switch OFF, disconnect all interior lamps dimming related components. Refer to the CIRCUIT/SYSTEM VERIFICATION  for all components that contain the I/P lamps. Verify the DTC B2652 does not set
    • If the DTC resets then test for a short to ground in the I/P lamps supply voltage circuit. If the circuit/connections test normal replace the BCM.
  2. Reconnect each component one at a time and test for the DTC B2652.
    • If the DTC resets, then replace that component.
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