TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.9 Date: 24-01-2022 Prepared By: Veer K. Singh / Prudhvi B Varma Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 1221 of 1692 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. Connector View & Information: - Flow Chart: - START Is there wiring harness electrical continuity between ECU pin 129 & alternator signal pin. Check for regulator pin connections . It is ok? Rectify/Replace Connectors It is ok? It is ok? END Rectify/Replace Connectors Check for damage of Alternator control connector Fault still persists then Replace the alternator Fault still persists then Replace the EMS ECU
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