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Home >> Chevrolet >> 2006 >> SSR Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Mirror System) >> Diagnostic Information and Procedures >> Mirrors - Outside Automatic Day-Night Feature Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the C1 harness connector at the driver outside rearview mirror.
  2. Ignition OFF, test for less than 1.0 ohm of resistance between the low reference circuit terminal G and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the inside rearview mirror.
  3. Ignition ON, test for 0.5-1.5 volts between the signal circuit terminal D and ground.
    • If less than the specified range, test the signal circuit terminal D for a short to ground or an open/high resistance. If the circuit tests normal, replace the inside rearview mirror.
    • If greater than the specified range, test the signal circuit terminal D for a short to voltage. If the circuit tests normal, replace the inside rearview mirror.
  4. If all circuits test normal, test or replace the driver outside rearview mirror.