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: 797 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.
Crank shaft sensor pin 2.
connections as per
the circuit
schematic.
2
Check whether the air-gap of the sensor and it’s magnet is
as per specification / crank sensor drawing
Rectify the mounting
asper the
specification
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:




