TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.7 Date: 01 Aug 2019 Author: Rajasekhara Reddy Page: 155 of 389 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. Trouble Shooting:- Start 1. Keep vehicle in static condition. 2. Turn ignition ON -> off ignition. 3. Close all doors including tailgate. 4. Vehicle in unlock state. 5. Keep Paired UID outside the vehicle near trunk door within 1.5 mts. 6. Press Trunk Door handle switch. Is Vehicle get locked? Yes No Is trunk door handle switch operating normally? Yes Remove Connector-1 in PEPS and check pin-11 & pin-1 for bending/shorting Is trunk DHS pin is bend? No No Check continuity between Pin-11 and Pin-1 of Connector-1 of PEPS ECU. Switch should not be permanently short or open. Fix the pin bending. Take out the trunk DHS switch from door handle out of door handle and check switch function. Is trunk DHS out of handle is operating normally? Fit properly trunk door handle switch in handle such that it should be operable normally. Yes No Replace trunk door handle switch Open the picktail connector of trunk door handle on trunk door. Stop Check for the wire cut & short circuit to ground on the harness for trunk door handle switch signal. Is DHS Short Or Open? Replace trunk door handle switch Fix the cut on the harness for trunk door handle switch signals. Check normal operation of Door handle switch, i.e no fault of switch permanent short or open. Connect the battery Negative terminal. Remove vehicle battery Negative No Yes Yes No Clear B131A-11 DTC only. Connect the battery Negative terminal.