Copyright © TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout the consent of author. SRS / Airbag ECU – DTC Troubleshooting Guide Vers ion: 14.0 Da te: 14-February-2017 Prepared by:Airbag COC Review & Approved by:Sanjeev VM Page: 161 of 549 B100F-96:- Frontal Impact Passenger Sensor component internal failure Overview:- ISO Code B100F96 Customer Symptom SRS Warning Lamp continuously ON in Instrument Cluster. Fault Effects (On Vehicle) Front Crash detection performance is degraded & Front Passenger angular crash detection is not guaranteed. Lamp Status (If Any) SRS Warning Lamp continuously ON in Instrument Cluster. Fault Detection Condition This fault gets logged if Frontal Impact Passenger sensor has internal component failure Normal Operating Condition Internal component failure should not be present. Probable Trouble Area Related wiring Harness, connector or terminals Frontal Impact Passenger sensor Airbag Wiring Harness Airbag ECU Healing Condition Frontal Impact Passenger Sensor has to be replaced. Component Details:- Frontal Impact Sensor:- It is usually located in the radiator support vertical member. Front impact sensors collect the data necessary to make decisions about Airbag deployment. Airbag ECU:- It is fitted in the floor of central console in the car. The Airbag Electronic Control Unit (ECU) controls the deployment system to allow an appropriate igniting of the Airbags and belt pre-tensioners to restrain the driver and passengers. Preliminary Checks:- 1. Check Battery Voltage (12 V & above) 2. Check for any faults in Airbag Warning Lamp indication in Instrument Cluster. 3. Ensure the proper locking of Airbag ECU wiring harness connectors in the vehicle by the locking sound. 4. Check whether the Frontal Impact Passenger sensor is connected properly to the wiring harness. Ensure the proper locking of the Frontal Impact Passenger sensor to the wiring harness connector. Trouble Shooting:-
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