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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 639 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> Trunk Ajar Indicator Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the ignition OFF, disconnect the harness connector of the rear compartment lid ajar switch.
  2. With the ignition ON, connect a fused jumper wire between the rear compartment lid ajar switch signal circuit and the ground circuit of the harness connector.
    • If the rear compartment indicator illuminates, replace the rear compartment lid ajar switch.
    • If the rear compartment lid ajar indicator does not illuminate, test the rear compartment lid ajar switch signal and ground circuits for an open or a high resistance.
  3. If all circuits/connections test normal, replace the driver information center (DIC).
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