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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. Ignition OFF, disconnect the harness connector C1 at the BCM.
  2. Ignition ON, verify that a test lamp does not illuminate between the steering wheel control supply voltage circuit terminal 17 and ground.
    • If the test lamp illuminates, test the steering wheel control supply voltage circuit for a short to voltage.
  3. Ignition OFF, disconnect the harness connector C3 at the BCM.
  4. Ignition ON, verify that a test lamp does not illuminate between the cruise control indicator dimming signal circuit terminal 22 and ground.
    • If the test lamp illuminates, test the cruise control indicator dimming signal circuit for a short to voltage. If the circuit tests normal, replace the steering wheel controls switch assembly - left.
  5. If all circuits test normal, replace the BCM.
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