Hyundai Elantra: Air Bag - Advanced Supplemental Restraint System / Why Didn't My Air Bag Go Off in a Collision?

There are certain types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, as well as low speed impacts. Damage to the vehicle indicates a collision energy absorption, and is not an indicator of whether or not an air bag should have inflated.

Air bag collision sensors

WARNING

To reduce the risk of an air bag deploying unexpectedly and causing serious injury or death:

Hyundai Elantra. Why Didn't My Air Bag Go Off in a Collision?

1. SRS control module/ Rollover sensor
2. Front impact sensor
3. Side pressure sensor
4. Side impact sensor

Hyundai Elantra. Why Didn't My Air Bag Go Off in a Collision?

Hyundai Elantra. Why Didn't My Air Bag Go Off in a Collision?

Do Not Install a Child Restraint in the Front Passenger's Seat
Even though your vehicle is equipped with the OCS, never install a child restraint in the front passenger's seat. An inflating air bag can forcefully strike a child or child restraint result ...

Air bag inflation conditions
Front air bags Front air bags and the driver’s knee air bag are designed to inflate in a frontal collision depending on the the severity of impact of the front collision. Side and curtain ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Purge Control Solenoid Valve (PCSV) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the PCSV connector. 3. Measure resistance between the PCSV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification : Refer to "Specification" Removal 1. Turn the ignition switch O ...

Hyundai Elantra AD (2016-2020) Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components ConnectorPin NOFunctionConnectorPin NOFunctionA1Battery (+)A21IGN12IGN222ILL+ (TAIL)3ISG B+23Sensor ground REF (+5V)4Mode control actuator (Vent)24C_CAN High5Mode control actuator (Def)25C_CAN Low6Mode control actuator (Feedback)26HTD (Rear defog indicator)7Intake actuator (Fresh)27- ...

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