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Home >> Mazda >> 2007 >> B4000 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Air Bag System) >> Diagnostic Tests >> Test Ac: Air Bag Tone Warning Indicator Circuit Short To Battery Or Ignition (B1891) >> Description

Test Ac: Air Bag Tone Warning Indicator Circuit Short To Battery Or Ignition (B1891): Description

WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Restraints Control Module (RCM) monitors its connection to instrument cluster at RCM connector C2041A, terminal No. 26 (Light Blue/Black wire). This connection is used to signal a chime if AIR BAG warning light is inoperative and another air bag system fault exists. If RCM detects a short to battery or ignition on connection to instrument cluster, it will store Diagnostic Trouble Code (DTC) B1891 in memory.

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