Nexon_MCE2_7inch_Digital Instrument Cluster_DTC Trouble Shooting Data Version: 1.0 Date: 09-May-2023 Author: Suraj Patil / Rajesh Patil Page: 18 of 167 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. Preliminary Checks: - 1. Check Battery Voltage is normal in the range (9v - 16v) 2. Check OAT lines for Pinch/Cut. 3. Check ECU & Sensor pins for oxidation, bending & damage. 4. Check and ensure OAT Sensor is giving linear Resistance output w.r.to the Temperature change. 5. Check Sensor resistance on Pin no. 14 (OAT i/p) & 15 (OAT Gnd) of the wired connector, whether it is according to the design specifications (between 320 to 100.923k ohm).
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