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TIAGO/TIGOR AMT Gasoline
DTC Troubleshooting Guide
Version: 4.0
Date: 18-04-2017
Author: Sathi/Anupama
Page: 359 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 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: -