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: 65 of 549 TURN ON IGNITION. CONNECT THE DIAGNOSTIC TOOL AND CHECK FOR DTC’s IS DTC PRESENT? CLEAR DTC . TURN OFF & ON IGNITION & CHECK FO R DTC’s ) ( at least 2 to 3 times IS DTC STILL PRESENT ? TURN OFF IGNTION. AND REPLACE THE AIRBAG WIRING HARNESS WITH A NEW ONE . YES NO NO YES NO TURN OFF & ON IGNITION . CLEAR DTC’s & CHECK FOR DTC’s IS DTC PRESENT? NO TURN ON IG NITION. CLEAR DTC’s & CHECK FOR DTC’s. STOP RE - CONNECT THE AIRBAG ECU, AIRBAG W IRING H ARNESS IN THE VEHICLE 1. TURN OFF IGNITION. 2. REPLACE THE AIRBAG ECU WITH A NEW ONE. YES IS DTC STILL PRESENT? YES START B 0 0 7 0 2 B :: Driver Seatbelt Pretensioner Deployment Control signal cross coupled .
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