saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Fault Diagnosis Strategy For Electronic Systems|Page 7725 > < Fault Diagnosis Strategy For Electronic Systems|Page 7723
Page 4
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Tests OK?
YES

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Proceed to step 5.

NO

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Repair the lead between the ventilation fan resistor and ground connection.

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Proceed to step 14.

5. Checking fan motor function
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Bridge between B+ and male connector pin 3. Use cable with 6 square mm cross-sectional lead area.

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Bridge between the male connector pin 5 and a good grounding point. Use cable with 6 square mm cross-sectional lead area.

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The fan should start and operate at full speed.

Fault Diagnosis Strategy For Electronic Systems|Page 7725 > < Fault Diagnosis Strategy For Electronic Systems|Page 7723