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Home >> Chevrolet >> 2006 >> Impala SS >> Repair and Diagnosis >> Steering >> Steering Wheel & Steering Column >> Diagnostic Information and Procedures >> DTC B3622 >> Circuit/System Testing

Circuit/System Testing

CAUTION: Refer to SIR Caution .
  1. Ignition OFF, disconnect the harness connector at the audio steering wheel control switch.
  2. Ignition ON, connect a test lamp between the steering wheel controls signal circuit and ground at the switch harness connector and verify it does not illuminate.
    • If test lamp illuminates, test the signal circuit for short to voltage. If circuit tests normal, replace the BCM.
  3. If circuits tests normal, test or replace the switch.
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