HARRIER BOOK 2

Vehicle Platform: OSPREY

ECU Name: Hella Body Control Module (BCM) DTC

Troubleshooting Data

Version: 1.4

Date: 15 May 2018

Author: Body CoC

Page: 432 of 855

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.

Check countinuty between BCM connector pin

[C1-

30]

and BCM Battery voltage pin

[C3-1/ C3-2]

Continuity found?

Correct BCM side wiring harness

(Short To Battery)

Yes

1.Remove Horn Relay mating connector

2.Perform the visual check of connectors for pin bend or

damaged etc.

Is connector faulty?

Correct connector fault

(Terminals Bend)

1.Remove all BCM connector

2.Take out Horn Relay output wire

[C1-30]

from connector

3.Reconnect all connectors including battery

4.Check if Horn funtionality is ON?

Horn functionality

is ON?

Reconnect all

connectors firmly

BCM ECU faulty

Replace BCM ECU

Yes