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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: 81 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.
Step Checks
IF YES
IF NO
1.
Is there any rust/oxidization observed on Sensor Terminals.
Clean the Rust or
repair or replace
Go to Step 2.
2.
Any of the the selected frames from DCS node is timed out.
Establish continuity
by rectifying
harness
connections as per
the circuit
schematic.
Go to Step 3.
3.
Are there any pins damaged at DCS /EMS ECU Connector.
Replace the
connector or wiring
Harness.
Go to step 4.
4.
Are there any pins backed out from the DCS/EMS ECU
Connector.
Rectify/Replace
Connectors.
Go to Step 5.
5.
Is pin short circuited to GND/Battery or
Open?
Repair the harness
as per the
schematic.
Go to Step 6.
6.
If fault still persists.
then replace sensor
and if fault still
persists then call
Hotline.
Follow the above
procedure again for
Reconfirmation.
DTC’s confirmation
(checks before handing over vehicle to customer)
:
1. Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also.
2. If error present, then rectify the errors.
3. Confirm that there is no error logged in EMS before handing over vehicle to customer.
Circuit Schematic: