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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: 56 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 for electrical continuity between ECU to AMF
connector as per circuit schematic
Go to step 2
Rectify wiring
harness
connections as
per schematic
2.
Are there any pins damaged at EMS ECU Connector
Replace the
connector or wiring
harness
Go to step 3
3.
Are there any pins backed out from the EMS ECU
Connector
Rectify/Replace
Connectors
Go to Step 4
4.
Check for charge air leakage
Got to step 5
Rectify the fault
5.
Check for AMF sensor functionality and also check whether
the EMS ECU pin number K76 is short to Vbatt or not
Repair the leakages Go to Step 6
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:
+12V Supply
EMS ECU