HARRIER BOOK 2

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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: 47 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.
Disconnect the connector of boost pressure signal. Identify
the pin number 2 on the harness side connector. Check the
continuity between pin 2 of the harness side connector and
battery the continuity is observed then there is a
short circuit in the harness.
Follow electrical
continuity check
Procedure.
Replace/rectify
harness if required
Go to Step 2.
2.
Disconnect the connector of boost pressure signal. Identify
the pin number 2 on the harness side connector. Check the
continuity between pin 2 of the harness side connector and
battery positive. If the continuity is not observed then there
is an open circuit means signal is missing.
Follow electrical
continuity check
Procedure.
Replace/rectify
harness if required
Go to Step 3.
3.
Are there any pins damaged at EMS ECU Connector,
boost pressure and temperature sensor connector.
Replace the
connector or wiring
harness.
Go to Step 4.
4.
Are there any pins backed out from the EMS ECU
Connector, boost pressure and temperature sensor
connector.
Rectify/Replace
Connectors.
Go to Step 5.
5. 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: