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Component Connector End Views Description and Operation SIR System Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References for scan tool information Circuit/System Testing 1. Verify DTC B0090 39 is not set. If DTC is set, replace the rollover sensor. 2. Ignition OFF, disconnect the harness connector at the rollover sensor and the SDM. 3. Test for less than 5 ohms between the rollover sensor ground circuit terminal 6 and ground. If greater then the specified range, test the circuit for an open/high resistance. 4. Test for less than 5 ohms between the serial data circuit terminal 5 and the SDM occupant sensor serial data circuit terminal 58. If greater then the specified range, test the circuit for a short to ground or an open/high 5. Ignition ON, test for less than 1 volt between the serial data circuit terminal 5 and ground. IMPORTANT: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or The vehicle rollover sensor The SDM module The vehicle rollover sensor harness connector The SDM wiring harness connector
2008 Chevrolet Silverado 1500 2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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