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: 743 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.
the circuit
schematic.
2
Check whether the Driver is over-speeding vehicle
Request Driver on
not to over-speed
vehicle
Go to next step
3
Check whether the ECM pins A020 or A021 are either short
circuited to Battery / Ground / Open circuited.
Rectify the wiring
harness connections
s per the schematic
Go to Next Step
3
Are there any pins backed out from the Crank shaft sensor
Connector
Rectify/Replace
Connectors
Go to Next Step
4
Are there any pins backed out from the EMS ECU
Connector
Rectify/Replace
Connectors
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 and ensure that no DTC’s are logged in ECM.
Circuit Schematic:
Component Location & Image:-




