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: 473 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.

P1B11-46: Torque to quantity conversion not strictly monotonous (calibration / parameter memory failure)

Overview:

DTC Description as per ISO standard

Torque to quantity conversion not strictly monotonous

(calibration / parameter memory failure) - calibration /

parameter memory failure

ECU Pin Number

Customer Symptom

MIL ON

Fault Effects (On Vehicle)

No limp home

Lamp Status (If Any)

MIL ON

Fault Detection Condition (Root cause)

Ignition on engine on vehicle running

Normal Operating Condition

No Fault Code

Probable Trouble Area

Transmission clutch not release.

Engine mechanical failure

Healing Condition

Write IMA code.

Clear through diagnostic tool

Ignition OFF & ON

Component Details: NA

Preliminary Checks:

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

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

2. Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to

earlier issue closure.

3. Check for any other faults presence related to ECU Internal power supplies; Follow rectification process for those

faults, before proceeding further.

4. Check for electrical continuity between ECU to AMF connector as per circuit schematic and rectify electrical

discontinuity if noticed.

5. Check inlet air circuit for clogging; wrong assembly/fitment etc; Clean the inlet air circuit and remove any clogging.

Trouble Shooting: