2002 Saturn SC2 Automatic, MP6FACTORY OEM SERVICE PROCEDURE

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 1

    The System Check must be performed before proceeding with this diagnostic test. Failure to perform the System Check will result in misdiagnosis.

  2. 3

    This step tests the AF ECM fuses for opens and also tests the voltage supply to the fuses.

  3. 5

    This step tests the battery positive and switched ignition voltage circuits to the AF ECM.

  4. 6

    This step tests the AF ECM ground circuits.

  5. 7

    This step inspects for proper operation of the FIL. If the FIL illuminates then the ignition relay is ON.

  6. 9

    This step inspects the ignition relays ability to turn OFF.

  7. 12

    This step tests the Ignition Relay coils ground circuit. If the test lamp illuminates then the Ignition relay must be faulty.

  8. 13

    This step indicates the components or circuits that may have caused a fuse to blow. Some components may require they be turned ON in order to blow the fuse. An example would be depressing the fuel gauge select switch in order to test the select switch circuit for a short.
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.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

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

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