Gravitas/SAFARI/X451/NEXON FATC DTC Troubleshooting Data Version: 1.1 Date: 28-Apr-2021 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: 67 of 244 Trouble Shooting:- START CONNECTTHEDIAGNOSTICTOOL ANDCHECKFORDTC’S ISDTC PRESENT? CHECKDTCPRESENTISPERMANENTOR HISTORY ISDTC PERMANENT? CLEARDTC CHECKTHEFATCHVACSIDECONNECTOR ( BLUE)&BLOWERCONTROLMODULE CONNECTORFORPINBACKOUT AREPINS OK? ISCONTINUITY PRESENT? BLOWERMOTORDRIVELINEIS SHORTTOBATTERY IFALLTHE ABOVECHECKS FAIL STOP FIXTHE PROBLEM ISDTC PRESENT? NO YES CHECKFORTHECONTINUITYBETWEENPINNO24OF FATCHVACSIDEECUCONNECTOR(BLUE)AND BATTERYPINN015,16OFVEHICLESIDE(GREEN) CONNECTOR HIGHRISKOF ECUDAMAGE RECTIFYTHE WIRING HARNESS REPLACEECU B1F2F- 12:: BLOWER MOTORDRIVE LINESHORTTO BATTERY YES YES YES NO NO YES CRANKTHE VEHICLEAND CHECKFOR DTC’S NO ECUISFAULTY
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