Hyundai Elantra HD: Front Impact Sensor (FIS). Description and Operation - SRSCM - Restraint - Hyundai Elantra HD 2006–2010 Service ManualHyundai Elantra HD: Front Impact Sensor (FIS). Description and Operation

Fourth generation (HD; 2007–2010) / Hyundai Elantra HD 2006–2010 Service Manual / Restraint / SRSCM / Front Impact Sensor (FIS). Description and Operation

Description

The front impact sensors (FIS) are installed in the side member. They are remote sensors that detect acceleration due to a collision at their mounting locations.
The primary purpose of the Front Impact Sensor (FIS) is to provide an indication of a collision. The Front Impact Sensor(FIS) sends acceleration data to the SRSCM.

SRS Control Module (SRSCM). Repair procedures
Removal 1. Remove ignition key from the vehicle. 2. Disconnect the negative (-) cable from battery and wait for at least three minutes. ...