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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: 681 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 the wiring harness continuity between ECM pin
K052 and Clutch position sensor pin 3
Check the wiring harness continuity between the ECM pin
K012 and Clutch position sensor pin 2
Is the continuity exists?
Go to next step
Rectify / Repair
harness
connections
2
Check whether the EMS pin K052 is open circuited
Rectify / Repair
harness connections
Go to next step
3
Check whether the EMS pin K012 is shorted to Ground.
Rectify / Repair
harness connections
Go to Next step
4
Check for damage of pins / back out of pins at EMS
connector and Clutch position sensor connector
Rectify / Repair
Connectors
Go to Next step
5
Check whether the air gap is as per the specification
mentioned below
Go to Next step
Modify the Clutch
position sensor
fitment as per the
specification
6
Fault Persists?
Replace Clutch
Position sensor
Follow the steps
again for
reconfirmation
7
Fault Persists?
Call Hotline
Follow the steps
again for
reconfirmation
Air Gap Requirement:
DTC’s confirmation:
After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM.
Press the clutch pedal check the Clutch Top travel and bottom travel switch input parameters.
When clutch Half pressed, Clutch Top Travel == Active, Bottom Travel == Inactive