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Home >> Saab >> 2003 >> 9-3 Vector, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Main Instrument Panel, Petrol (Early; 9400) >> Technical Description >> Warning and indicator lamps >> Warning lamp, handbrake >> Notes

Warning lamp, handbrake: Notes

Fig 1: Identifying Handbrake Warning Lamp
G03580312Courtesy of SAAB-SCANIA OF AMERICA, INC.
Fig 2: Identifying Circuit Diagram - Handbrake Warning Lamp
G03580313Courtesy of SAAB-SCANIA OF AMERICA, INC.

The handbrake warning lamp is situated on the right-hand side of the main instrument unit and informs the driver if the handbrake is applied.

If the oil pressure drops below 0.3-0.5 bar, the oil pressure sensor will close and pin 15 on the main instrument unit will be grounded, whereby the control module will turn on the lamp.

When the handbrake is applied, the switch on the handbrake lever will ground pin 14 on MIU so that the control module will turn on the lamp.

If the road speed passes 5 km/h from a speed below 5 km/h while the handbrake is applied, the central warning lamp will also come on and MIU will send a request to SID to activate an acoustic signal.