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

TATA BSVI Gasoline Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.2 Date: 18-12-2019 Prepared By: Sunita Mandlik Checked By: Yeshwant Jadhav Approved By: Satish Kumar Document Part No: 2921 02 xxx xxxx Page: 1045 of 1498 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:- Step Checks IF YES IF NO 1. Remove the Immobilizer connector and check the resistance between the connector CAN H and CAN L pins, is it ~ 60 ohms? Refer the ‘IVN CAN architecture section in the service documentation “ as well for further checks. Go to next step. Rectify the CAN network connections as per the schematic. 2. Is Immo getting battery power supply? Go to next step Rectify them as per the schematic 3 Are there any other Immo / CAN / EMS faults present? Rectify them by following their rectification procedure Go to next step 4 Fault still persists? Repeat the above procedure for fault confirmation Fault still persists then contact service technician Handover the vehicle to the customer DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. Recheck the fault using TML Diagnostic tool, Fault shall not appear. Turn the Ignition ON, Immo Lamp shall get turn OFF. Clear DTC’s in EMS, Immo and Crank the vehicle, Vehicle shall get cranked.