Nexon EV Instrument Cluster DTC Troubleshooting Data Version: 1.1 Date: 13-July-2021 Author: Deepak Pujari Page: 38 of 108 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:- Voltage fluctuates between 0V and 14V? A Yes Disconnect IPC ECU power supply connector. Check voltage b/w pin 1 & pin 4. (Refer Connector View & Information) No Is DTC Present? Yes No Stop 1. Connect the TML Diagnostic Tool. 2. Turn the Ignition ON 3. Check the status of DTC’s (Memorized/Current) 4. Record the DTC & Clear 5. Turn Ignition OFF & ON 6. Verify If DTC U3006 – 16 is present Replace wiring harness (Vehicle side) Check resistance between vehicle ground and ground at the power supply connector. Resistance < 1 Ω? (Continuity check) No Yes To Check Continuity
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