Limp-Home Mode Test

1986 Saab 9000 StandardSECTION Limp-Home Mode Test
  1. Connect voltmeter between Gray/Red and Violet/White terminals of limp-home test connector. These will be terminals No. 1 and 2 on the 900 models and Nos. 2 and 3 on the 9000 Turbo. See Fig 1 . Start engine. If system is operating properly, meter will read less than one volt.
    Fig 1: Limp-Home Test Connector Connector is located near A/C evaporator housing.
    G35438
  2. If system is operating in limp-home mode, meter will indicate battery voltage. If battery voltage is indicated, proceed to AIR MASS METER test.
RENDER: 1.0x

NO RELATED

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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.