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Saab
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2005
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9-3 Linear, 2D Convertible, Automatic
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Repair and Diagnosis
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Brakes
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Anti-Lock/Traction Control
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Technical description
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Brake light switch (29), TCS/ESP
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Connection
Brake light switch (29), TCS/ESP: Connection
CONNECTION DESCRIPTION
Pin no.
Type of signal
Description
1
+30
Power supply from fuse 6 instrument panel electrical centre.
2
Signal
The pin receives B+ when the brake pedal is depressed. Connected to TCS/ESP control module pin 17.
Fig 1: Identifying Brake Light Switch Circuit Diagram (TCS/ESP)
Courtesy of SAAB-SCANIA OF AMERICA, INC.