HARRIER BOOK 2

Vehicle Platform: OSPREY / AMP

ECU Name: PEPS

DTC Troubleshooting Data

Version: 1.2

Date: 29 Mar 2017

Author:

Rajasekhara Reddy

Page: 53 of 369

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.

B101A - 23:- Analog Engine Start/Stop Button Signal-1 - signal stuck low

Overview:-

ISO Code (DTC Code)

B101A – 23

Customer Symptom

Engine Start/Stop Button not functional.

Fault Effects (On Vehicle)

Engine Start/Stop Button not functional / Could not start

vehicle.

Lamp Status (If Any)

Fault Detection Condition

If Engine Start/Stop Button is detected pressed and hold for

more than 60sec then this DTC is logged.

Normal Operating Condition

Vehicle starts successfully when Engine Start/Stop Button is

pressed.

Probable Trouble Area

1. Cable connection damaged

2. Engine Start/Stop Button fault

Healing Condition

IGN ON



OFF

Table 12:- B101A- 23 overview details

Component Details:-

1. Engine Start/Stop Button.

2. PEPS ECU.

Preliminary Checks:-

1. Check Battery Voltage (9V-16V)

2. Check ECU pins for oxidation, bending & damage.