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: 340 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.

P226D-00: DFC to indicate hose line error.

Overview:

DTC Description (User Friendly)

DFC to indicate hose line error.

ECU Pin Number

K042, K016, K015

Customer Symptom

MIL OFF, CEL OFF

Fault Effects (On Vehicle)

Lamp Status (If Any)

Fault Detection Condition (Root cause)

An error is detected if the filtered differential pressure signal

below the minimum value -18hPa and the Cold Condition is

recognized.

Normal Operating Condition

Proper wire harness between particulate filter differential

pressure sensor.

Probable Trouble Area

Wire harness between particulate filter differential pressure

sensor.

Healing Condition

Rectify the error Clear through diagnostic tool.

Ignition OFF & ON

Component Details:

Particulate filter, differential pressure sensor is mainly used to monitor the soot loading of a particulate filter on a diesel

engine or gas turbine.

Preliminary Checks:

1. Check whether the customer voice / view about the issue is matching with the fault effects mentioned in above

Table. If yes, go ahead with next steps. If not, check for other DTC’s presence.

2. Check whether other customers report similar complaints earlier. If yes, perform the preliminary checks with

respect to earlier issue closure.

3. Check for Damage in EMS ECU connector / Particulate filter differential pressure sensor.

4. Check for any back out of pins at EMS ECU connector / particulate filter differential pressure sensor.

5. Check for any damage of pins at EMS ECU connector / Particulate filter differential pressure sensor.

Trouble Shooting: