NEXON AMT BS VI DTC Troubleshooting Guide Version: 2.3 Date: 23-07-2019 Author: Rahul N Page: 356 of 442 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. 3 Perform Ignition key ON-OFF (wait min 30 sec after key OFF), Is DTC P185B-07 cleared? Release vehicle to customer after final drive test Check ignition and battery power and ground connections of TCU (check toggling of ign voltage with key ON-OFF). If power healthy -Replace TCU & Recheck the above steps 4 a>Check the AMT Clutch lever interface b>Disassemble Clutch assembly, check for correct clutch assembly and inspect clutch for any obstruction to movements/incorrect clutch closed position/stroke/damaged beleville, springs/ etc. b> Mechanical damage to the clutch Is problem located in clutch assembly? Replace/Rectify the problematic clutch/component Recheck the above steps Replace the relevant component 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. • After key ON with TML TCU diagnostic tool connected, monitor the “Selflearned Mask” and confirm that variable “Clutch stroke tuned” is TRUE. • 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: Component Location & Image:- Connector Location: - Connector View & Information: - Inspection Method: -
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