TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 2.6 Date: 5-10-2023 Prepared By: Pradip Shimpi Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 1211 of 1720 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 pin 129 & alternator signal pin. Check for connections of regulator . It is ok? Rectify/Replace Connectors It is ok? It is ok? END Rectify/Replace Connectors Check for damage of pins at regulator connector Fault still persists then Replace the alternator Fault still persists then Replace the EMS ECU
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