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Home >> Suzuki >> 2007 >> SX4 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 179 (Air Bag System) >> Diagnostic Information and Procedures >> SIR Diagnostic System Check >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition switch is first turned to ON, ignition voltage is supplied from airbag fuse to find the SDM at input terminal 26. The SDM responds by flashing the airbag indicator seven times and then turning it off while the SDM performs tests on the SIR.

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