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: 400 of 549 B100C-64:- Driver Side Peripheral sensor signal plausibility failure Overview:- ISO Code B100C-64 Customer Symptom SRS Warning Lamp continuously ON in Instrument Cluster. Fault Effects (On Vehicle) Driver Side Crash detection performance is degraded & Driver Side 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 signal plausibility failure happens for Driver Side Peripheral sensor. Normal Operating Condition Signal plausibility failure should not be present. Probable Trouble Area Related wiring Harness, connector or terminals Driver Side Peripheral sensor Airbag Wiring Harness Airbag ECU Healing Condition Signal plausibility failure should be removed. Component Details:- Driver Side peripheral Sensor: - These sensors are mounted on right side “B” pillar at the bottom end. 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 Driver side peripheral sensor is connected properly to the wiring harness. Ensure the proper locking of the Driver side peripheral sensor to the wiring harness connector. Trouble Shooting:-
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