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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Steering Wheel & Steering Column) >> Diagnostic Information and Procedures >> Steering Wheel Controls Inoperative >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR Caution .
  1. Ignition OFF, disconnect the harness connector at the steering wheel control switches.
  2. Test for infinite resistance between the supply voltage terminal and the signal terminal with the switch in the open position.
    • If less than infinite resistance, replace the switch.
  3. Test resistance values between the supply voltage terminal and the signal terminal with the switch closed in each position and verify readings are approximate to what the schematic reads.
    • If values do not, replace the switch.
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