Circuit/System Verification

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2008 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the steering wheel centered and the wheels facing straight-ahead.
  2. Engine running, observe the scan tool SWPS Signal A and SWPS Signal B parameters. Turning the steering wheel the readings should travel between 0 and 5 volts and their should be approximately a 2.5 volts difference between each signal.
RENDER: 1.0x

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When to See a Mechanic

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

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