Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
Radiator Cooling Fan Motor: Testing and Inspection
Special tools and equipment
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VAG 1594 Adapter set
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VAG 1526 Portable multimeter or VAG 1 715 Multimeter
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Wiring diagram
Check conditions
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Fuse 34 must be OK.
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Radiator fan thermo switch (F18) OK.
Test sequence
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Pull 3 pin connector off radiator fan thermo switch (F18).
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Switch on ignition.
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Bridge contact -1- and contact -2- of connector with auxiliary cables from VAG 1 594.
Radiator fan (V7) 1st speed must run.
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Bridge contact-1- and contact -3- of connector with auxiliary cables from VAG 1594.
Radiator fan (V7) 2nd speed must run.
If 1st or 2nd fan speed does not run:
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Locate and correct open circuit using wiring diagram
If no open circuit can be found:
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Replace radiator fan (V7).