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Home >> Saab >> 2003 >> 9-3 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Cooling System - Diagnostics) >> Technical descriptions >> Radiator fan >> Operation, 2-Speed Radiator Fan With A/C >> High speed

High speed

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

DICE uses the values which fulfil the conditions for running the radiator fan at high speed. The relay (81) is then grounded via pin 53 of the control unit. As a result, the series resistor (367) is bypassed and the fan is supplied with unreduced current.

The radiator fan now runs at high speed.

Fig 1: Circuit Diagram (2-Speed Radiator Fan With A/C)
G03504420
WARNING: Do not touch the radiator fan before unplugging its connectors.
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