2003 Suzuki Aerio GS, AWD, AutomaticFACTORY OEM SERVICE PROCEDURE

Self-Diagnostic System: Notes

NOTE: Diagnostic information stored in Engine Control Module (ECM) memory can be retrieved and cleared using SUZUKI scan tool or On-Board Diagnostic-II (OBD-II) generic scan tool. Before using scan tool, read instruction manual carefully.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.