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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: 382 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 as per the
schematic if found
faulty
2. Check whether the battery is healthy
Go to step 3
Repair Battery
3.
Check whether the EMS ecu pins A38,K42,K07,K41,A37
are short
Circuited to Ground.
Go to step 4
Follow rectification
process of
concerned sensor
if faulty
4
Are there any pins damaged at EMS ECU Connector? Also
check electrical continuity of wiring harness between ECU
and rail pressure sensor as per circuit schematics.
Rectify the
connection
Go to Next Step
5
Check with diagnostic tool if the sensor supply voltage
lies in between 4.75 V to 5.35 V
Go to step 6.
Check battery
voltage also check
proper wiring
harness
6.
If fault still persists
Call Hot Line
Repeat above
procedure for
reconfirmation
DTC’s confirmation:
•
If error present, then rectify the errors. Confirm that there is not error logged present before handed over
Vehicle to customer.