TIAGO

TIAGO AMT Gasoline

DTC Troubleshooting Guide

Version: 2.0

Date: 06-06-2016

Author: Sathi/Anupama

Page: 354 of 424

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.

a> Run IO control on Clutch, shift and Gear Electrovalves, if

any Control is failing, rectify referring respective DTC. In

case problem not located, next step b

b> Unmount the TCU from the valve body and investigate

any loose contacts/damaged valves/ sensor connectors. Is

any kit component damaged?

c> Disassemble kit from transmission, check for correct kit

assembly and inspect transmission components for any

obstruction to actuator movements/damaged

teeth/synchro rings/forks etc.

Is problem located in transmission?

Replace/Rectify the

problematic

transmission

component

Replace the

transmission

(including kit)

and check for any missing input from the list (for example

brake switch problem, low battery voltage etc)

Is problem located?

Rectify the problem

Replace the

relevant

component

a>Check the AMT Clutch lever interface

b>Disassemble Clutch assembly, check for correct clutch

assembly and inspect clutch for any obstruction to actuator

movements/incorrect clutch 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

After rectificat

the following points by referring TCU parameters using TML diagnostic tool

before handing over to customer.

and confirm that variable

Succ

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: -