TIGOR AMT

TIAGO/TIGOR AMT Gasoline DTC Troubleshooting Guide Version: 4.0 Date: 18-04-2017 Author: Sathi/Anupama Page: 357 of 427 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 P080A 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 Check ignition and battery power connections of TCU (check toggling of ignition voltage with key ON-OFF). Also check CAN communication wires. Is power and CAN communication healthy? Go to step 5 Rectify the connections 5 a>with engine ON and slight vehicle pickup in 1 st gear, read through the diag. tool “Clutch speed” and confirm non zero and rising values as vehicle is picked up from rest. Any problem with clutch speed? b> Observe Clutch speed with the diag. tool keeping gearbox in neutral, is zero speed observed? c>Disassemble Clutch assembly, check for correct clutch assembly and inspect clutch for any obstruction to movements/incorrect clutch stroke/damaged beleville, springs/ etc. d> Mechanical damage to the clutch e> Check the AMT Clutch lever interface Is problem located in clutch assembly? a>Replace clutch speed sensor b&c&d>Replace/Rectify the problematic clutch component Recheck the above steps Replace the transmission (including kit) Recheck the above steps 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 “ Kiss point” 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: -