NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:317 of 645 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. Measure Resistance (Ω) Component check Pin 8 (T_SENT1) to transmission housing >500k ok External ,Internal wiring harness and Pressure sensor Pin 11 (T_SENT2) to transmission housing >500k ok External ,Internal wiring harness and Pressure sensor Pin 21 (T_HALL_SENT_GND) to transmission housing >500k ok External ,Internal wiring harness and Pressure sensor Pin 13 (T_P5V_SENS_PWR) to transmission housing >500k ok External ,Internal wiring harness and Pressure sensor ➢ Remove vehicle connector from TCU, Disconnect transmission circular connector and check below resistance at transmission circular connector Measure Resistance (Ω) Component check Pin 9 (T_SENT1) to transmission housing >500k ok TCU and External wiring harness Pin 11 (T_SENT2) to transmission housing >500k ok TCU and External wiring harness Pin 12 (T_HALL_SENT_GND) to transmission housing >500k ok TCU and External wiring harness Pin 8 (T_P5V_SENS_PWR) to transmission housing >500k ok TCU and External wiring harness • Continuity Check Check continuity between pins/terminals of External and Internal wiring harness connector for specific pressure sensor for which the DTC is triggered. DTC’s confirmation:- After rectification, clear all DTC’s and ensure the following points by referring TCU parameters using TML diagnostic tool before handing over to customer. • Drive the vehicle through all gears in both Automatic and Manual modes. • Ensure no DTC is active and Transmission Fault Lamp is OFF. Circuit Schematic Diagram:
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