Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 663 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent 4 Are there any pins backed out from the EMS ECU Connector Rectify/Replace Connectors Go to Step 5 5 Fault Still Persists? Replace relay and then if Fault still persists then Replace EMS ECU Follow the steps again for reconfirmation DTC’s confirmation (checks before handing over vehicle to customer): Visually check the initial pre check at ignition ON for MIL & CEL Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also If error present, then rectify the errors. Confirm that there are no errors logged by EMS before handing over vehicle to customer. Circuit Schematic Diagram:
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