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HOMESERVICE MANUALSSATURN2009ASTRA XR, 2D HATCHBACK, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSVEHICLE ACCESSDIAGNOSTIC INFORMATION AND PROCEDURESDTC B3130 OR B3135CIRCUIT/SYSTEM TESTING
2009 Saturn Astra XR, 2D Hatchback, Automatic

Circuit/System Testing

2009 Saturn Astra XR, 2D Hatchback, AutomaticSECTION Circuit/System Testing
  1. Ignition OFF, disconnect the harness connector at the liftgate latch assembly.
  2. Connect a test lamp between the control circuit terminal 1 and ground.
  3. Ignition ON, command the liftgate release ON and OFF by pressing and releasing the liftgate release switch. The test lamp should turn ON and OFF when changing between the commanded states.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the rear fuse block.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the rear fuse block.
  4. If all circuits test normal, test or replace the liftgate latch assembly.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.