Convertible Top Control Module: Testing and Inspection

2000 Saab 9-3 Convertible (9400) L4-2.0L Turbo (B205)SECTION Testing and Inspection


Test Readings, Control Module Connections

Scope







On the following pages, there are values and directions for measuring signals and levels of the control module.

Keep in mind
- Note the test conditions, and use common sense when assessing the test results.
- The specified readings are with the ignition in position ON unless otherwise stated.
- First, check that the control module is supplied with current and is grounded.
- Then check all sensor inputs and signals from other systems.
- Finally, check the control module outputs. Remember that the test readings do not indicate whether the actuator is working.
- If any reading is not correct, consult the wiring diagram to trace the leads, connectors or components that should be checked more thoroughly.







- The test readings given apply to a calibrated Fluke 88/97.
- The test readings show the signal's pulse ratio and pulse width. A test instrument with pulse ratio and pulse width measurement must be used. The (+) sign indicates a positive trigger pulse, TRIG+.







> = greater than; < = less than; ~ = alternating current (LP: LOGIC PROBE P = select pulse; p = visible pulse)














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:

  • 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.