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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: 491 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 Throttle
Valve actuator 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 any mechanical damage to TVA
Replace TVA
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:
EMS ECU