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: 1190 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. Flow Chart: - START Is there wiring harness electrical continuity between ECU pins 130 & Auto start stop LED lamp indicator continuity between ECU pin 130 & Auto Start Stop LED Lamp indicatorcontinuity between ECU pin 130 & Auto Start Establish continuity by rectifying harness connections as per the circuit diagram It is ok? Replace the connector or wiring harness It is ok? Is there any pin backout from the connector It is ok? Rectify /replace connector It is ok? Fault still persists then Replace the switch Fault still persists then Replace the EMS ECU END Rectify wiring harness Is ESS lamp indicator pin 130 short circuited to ground/Bat It is ok? Is there any pin damage at EMS ECU connector Repair the harness as per the schematic