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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Occupant Restraint Controller (Orc) - DTCS B1C27 To U142A) >> Diagnosis And Testing >> B1C3A-1ST Row Driver Retractor TENSIONER Circuit Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a "floating" configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. Use of the (special tool #8443A, SRS Load Tool) in the tests below substitutes a suspect squib with a known good component. The use of the (special tool #8443-8, Jumper, SRS Load) and the (special tool #8443-28, SRS Load Tool Adapter) provides a test point as well as a method for opening the shorting bar connections within the harness connector.

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