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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Automatic Transmission) >> Diagnostic Information and Procedures >> DTC P0703 Brake Switch Circuit Malfunction >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2005 Suzuki Reno and 2005 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

The brake switch is used to indicate brake pedal status to the transmission control module (TCM). The brake switch is a normally open switch. Applying the brake pedal closes the switch, supplying voltage to the TCM. Releasing the brake pedal interrupts voltage to the TCM. This DTC is stored at start-up. If the TCM receives a brake switch signal after start-up, the DTC will be stored in memory.

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