X104 MCE Instrument Cluster DTC Troubleshooting Data Version: 1.4 Date: 14-Dec-19 Author: Muni Balaji / Jeeva Raj Page: 9 of 135 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. 29(OAT i/p) & 31(OAT Gnd) of the wired connector, whether it is according to the design specifications (between 320 to 100.923k ohm). Trouble Shooting:- Turn ON Ignition. Connect the TML Diagnostic Tool. Check the status of DTC’s (Memorized/Current) Record the DTC & Clear DTC’s Turn Ignition OFF & ON Verify If DTC B190B -11 is present Is DTC B190B-11 is Present? YES NO Stop
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