HARRIER BOOK 2

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: 44 of 1052

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

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

ground.If

the continuity is observed then there is a

open circuit in the harness.

Follow electrical

continuity check

Procedure.

Replace/rectify

harness if required

Go to Step 2.

Are there any pins damaged at EMS ECU Connector,

boost pressure and temperature sensor connector.

Replace the

connector or wiring

harness.

Go to Step 3.

Are there any pins backed out from the EMS ECU

Connector, boost pressure and temperature sensor

connector.

Rectify/Replace

Connectors.

Go to Step 4.

Check whether the EMS ECU pin 61 is short circuited to

Battery / Ground.

If problem identified

replace the AMF

sensor also rectify

the wiring harness.

Go to Step 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: