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: 43 of 301 DTC’s confirmation:- START CONNECTTHEDIAGNOSTICTOOL ANDCHECKFORDTC’S ISDTC PRESENT? CHECKDTCPRESENTISPERMANENTOR HISTORY ISDTC PERMANENT? CLEARDTC CHECKTHEFATCHVACSIDECONNECTOR ( BLUE)&MODEACTUATORFORPINBACKOUT AREPINS OK? ISCONTINUITY PRESENT? MODEMOTORDRIVELINEISSHORT TOGROUND IFALLTHE ABOVECHECKS FAIL STOP FIXTHE PROBLEM ISDTC PRESENT? NO YES CHECKFORTHECONTINUITYBETWEENPINNO5,PIN NO21OFFATCHVACSIDEECUCONNECTOR(BLUE) ANDGROUNDPINN01,2OFVEHICLESIDE(GREEN) CONNECTOR HIGHRISKOF ECUDAMAGE RECTIFYTHE WIRING HARNESS REPLACEECU B1F2E- 11:: MODE(AIR DISTRIB)DRIVE LINESHORTTO GROUND YES YES NO NO YES NO CRANKTHE VEHICLEAND CHECKFOR DTC’S NO ECUISFAULTY YES
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