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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Instrumentation/Driver Info./Horn) >> Diagnostic Information and Procedures >> DTC B2965 >> Circuit/System Testing
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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 at the ignition switch.
  2. Ignition OFF, test for less than 1 Ω of resistance between the ground circuit and ground.
    • If greater than 1 Ω test the ground circuit for an open/high resistance.
  3. Ignition ON, install a 3-amp fused jumper between the signal circuit and ground. Verify the scan tool Key In Ignition parameter displays Yes.
    • If not Yes, test the signal circuit for an open/high resistance. If the circuit tests normal, replace the BCM.
  4. Ignition ON, engine OFF, verify the Ignition 1 Input parameter displays Off.
    • If not Off, test the ignition 1 voltage circuit for a short to voltage.
  5. If all circuits test normal, test or replace the ignition switch.
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