LEMON Manuals: Even more car manuals for everyone
Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 17 (Security And Locks) >> Diagnostic Information and Procedures >> DTC B3140, B3145, B3150, or B3155 >> Circuit / System Testing

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 at the appropriate door lock switch.
  2. Ignition ON, verify the appropriate scan tool Lock Sw parameter is Inactive.
    • If not the specified value, test the signal circuit terminal L for a short to ground. If the circuit tests normal, replace the BCM.
  3. Verify the appropriate scan tool Unlock Sw parameter is Inactive.
    • If not the specified value, test the signal circuit terminal U for a short to ground. If the circuit tests normal, replace the BCM.
  4. If all circuits test normal, test or replace the appropriate door lock switch.