900 S Coupe L4-2290cc 2.3L DOHC (1995)
1
Check that the fuse is intact and live.
Check that the brake light bulbs are in working order.
2
Plug in the Intelligent Saab Tester (ISAT) scan tool and select "READ VALUES" and then "BRAKE LIGHT SWITCH". Read the Intelligent
Saab Tester (ISAT) scan tool display as follows:
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Brake pedal activated - "ON"
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Brake pedal not activated - "OFF".
If this is the case, proceed to point 6.
3
Unplug the brake light switch connector and use a voltmeter to check whether 12 V is present on pin 2 of the connector.
If no voltage is present, check the wiring for continuity/shorting between connector pin 2 and the fuse.
4
Connect a jumper lead between pins 1 and 2 of the connector and select "BRAKE LIGHT SWITCH" from the ISAT scan tool menu. Read the