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HOMESERVICE MANUALSSAAB20049-5 LINEAR (9600) L4-2.3L TURBO (2.3T)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESVENTILATION FAN DOES NOT START UNTIL 20 SECONDS AFTER THE ENGINE HAS BEEN STARTED.
2004 Saab 9-5 Linear (9600) L4-2.3L Turbo (2.3t)

Ventilation Fan Does Not Start Until 20 Seconds After the Engine Has Been Started.

2004 Saab 9-5 Linear (9600) L4-2.3L Turbo (2.3t)SECTION Ventilation Fan Does Not Start Until 20 Seconds After the Engine Has Been Started.


Ventilation Fan Does Not Start Until 20 Seconds After The Engine Has Been Started.

Fault symptoms






Ventilation fan does not start until 20 seconds after the engine has been started.


Conditions
+54 from DICE on bus is missing.

Check wiring harness.
Jiggle the wiring harness at several points and in different directions to reveal intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic instrument during the 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.