Air Bag

The inflatable restraint diagnostic energy reserve module path sensor (SDM). The SDM will turn the indicator ON for approximately 3 seconds during the engine start up in order to perform a bulb check. The SDM will turn the indicator ON in order to warn the driver of a Supplemental Inflatable Restraint (SIR) electrical system malfunction, possibly affecting the operation of the SIR system. Refer to Supplemental Inflatable Restraint (SIR) System.