Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. Author: ERC Page: 88 of 301 START CONNECTTHEDIAGNOSTICTOOL ANDCHECKFORDTC’S ISDTC PRESENT? CHECKDTCPRESENTISPERMANENTOR HISTORY ISDTC PERMANENT? CLEARDTC CHECKTHEREARBLOWERSIDECONNECTOR ( FORPINBACKOUT AREPINS OK? ISCONTINUITY PRESENT? IFALLTHE ABOVECHECKS FAIL STOP FIXTHE PROBLEM ISDTC PRESENT? NO YES HIGHRISKOF ECUDAMAGE RECTIFYTHE WIRING HARNESS REPLACEECU B1F5F- 09:: REAR BLOWER INPUT SIGNAL FAILURE YES YES YES NO NO YES CRANKTHE VEHICLEAND CHECKFOR DTC’S NO ECUISFAULTY
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