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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: 138 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.
Trouble Shooting:
Step Checks
IF YES
IF NO
1.
Check whether the EMS ECU is receiving supply and
Ground
Go to step 2
Rectify wiring
harness
connections as
per schematic
2. Check DPF sensor electrical connection as per schematic
Go to step 3
Repair the failure
3.
Check DPF sensor signal pin 42 or supply pin 16 open
circuit or short circuit to ground.
Go to step 4
Repair the failure
4.
Check the Damaged exhaust system or Leak in exhaust
system
Got to step 5
Rectify the fault
5.
Exhaust tubes to differential pressure sensor leak
Go to step 6
Rectify the fault
6. If fault still persists
Call Hotline
Repeat above
procedure for
reconfirmation
DTC’s confirmation:
After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM.
Call Hot Line and check whether the fault is rectified or not.
Circuit Schematic:
Component Location & Image:-
EMS ECU
DPF sensor
16
15
42
3
2
1
+5V Supply
Ground
Sensor Signal