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Q501 4 Cylinder MT Application
DTC Troubleshooting Data
Version: 0.1
Date: 21-Sep-2018
Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta
Checked By: Yogesh Jadhav
Approved By: Satish Kumar P
Page: 629 of 1052
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.
2
Check for Engine mal-function, power loss without MIL and
CEL ON. Found any mal-function?
Check for Engine
mechanical
damages and rectify
them
Go to next step
3
Check whether the Brake pedal switch is dis-connected
and Vehicle is operated with cruise active and user tried to
de-activate cruise by brake press.
Refit the Brake
switch connector.
Go to next step
4
Check for any wiring harness dis-continuity between the
Brake switch connector and EMS ECU. Dis-continuity
found?
Rectify the wiring
harness connections
as per the circuit
schematic
Go to next step
5
Fault Persists.
Call Hotline
Repeat the above
steps for re-
confirmation
DTC’s confirmation:
After rectification, Test Drive the vehicle for 2 KM with cruise active at 70 KMPH in 6
th
gear on flat roads and ensure that
no DTC’s are logged in ECM.
Circuit Schematic:
Component Location & Image:
To be Updated