NEXON NEW MCE-2 DCT BS VI DTC Troubleshooting Guide Version: 1.0 Date: 16-06-2023 Author: Akash/Rahul Page:488 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 3 (T_BLDC_U) to Pin 4 (T_BLDC_V) < 1 ok Phase resistance Pin 3(T_BLDC_U) to Pin 5 (T_BLDC_W) < 1 ok Phase resistance Pin 4 (T_BLDC_V) to Pin 5 (T_BLDC_W) < 1 ok Phase resistance Pin 3 (T_BLDC_U) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 4 (T_BLDC_V) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 5 (T_BLDC_W) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 19 (T_HALL_1) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 6 (T_HALL_2) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 7 (T_HALL_3 ) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 13 (T_P5V_SENS) to transmission housing > 100k ok External wiring harness and BLDC motor Pin 21 (T_HALL_SENT_GND) to transmission housing > 100k ok External wiring harness and BLDC motor ➢ Remove vehicle connector from TCU, Disconnect Drum motor connector and check below resistance at drum motor connector terminal. Measure Resistance (Ω) Component check Pin 1 (T_BLDC_U) to transmission housing > 100k ok TCU and External wiring harness Pin 2 (T_BLDC_V) to transmission housing > 100k ok TCU and External wiring harness Pin 3 (T_BLDC_W) to transmission housing > 100k ok TCU and External wiring harness Pin 5 (T_HALL_1) to transmission housing > 100k ok TCU and External wiring harness Pin 6 (T_HALL_2) to transmission housing > 100k ok TCU and External wiring harness
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