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Home >> Saab >> 1994 >> 9000 Hatchback L4-2290cc 2.3L DOHC >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Pinout Values and Diagnostic Parameters >> With Mark IV ABS System >> Component Input / Output Signals >> Input Signals >> Brake Light Switch

Brake Light Switch







Brake Light Switch
The Electronic Control Unit (ECU) receives + 12 V when the brakes are applied.

The signal is for fault-tracing in the ECU with regard to the pump and travel sensor.

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