HARRIER BOOK 2

TATA MOTORS Ltd.

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SRS / Airbag

ECU – DTC Troubleshooting Guide

Version: 14.0

Date: 14-February-2017

Prepared by:Airbag COC Review &

Approved by:Sanjeev VM

Page: 531 of 549

B0075-55:- Second Row Right Seatbelt Pre Tensioner Deployment Control not configured

Overview:-

ISO Code

B0075-55

Customer Symptom

SRS Warning Lamp continuously ON in Instrument Cluster

Fault Effects (On Vehicle)

No effect

Lamp Status (If Any)

SRS Warning Lamp continuously ON in Instrument Cluster

Fault Detection Condition

Second Row Right Seatbelt Pre tensioner Deployment Device

is not configured in EOL, but physically present in the vehicle

Normal Operating Condition

Second Row Right Seatbelt Pre tensioner configuration &

physical presence in the vehicle should be as per the VC.

Probable Trouble Area

Related wiring Harness, connector or terminals

Second Row Right Seatbelt Pre tensioner System

Configuration

Airbag ECU

Healing Condition

1. Correct System configuration should be written to Airbag

ECU as per VC.

2. Second Row Right Seatbelt Pre tensioner physical

presence should be as per VC.

Component Details:-

Second Row Right Seatbelt Pre tensioner Module

: - It is located at the rear driver door wheel arch inner panel.

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.

Trouble Shooting:-