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: 465 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.

START

Connect Diagnostic tool and Run Input Test Routine and operate the

switches as mentioned in the input switch test routine specification.

Is DTC U100E-12 logged

by Routine?

Disconnect vehicle battery connection.

(Please follow the safety guidelines)

Check BCM and Gear selection switch

connectors for terminal backout

Are connectors

loose?

Correct connector fault

(Terminals Bend)

1.Remove BCM Connector.

2.Perform visual check of connectors for pins bent or damaged

etc.

Is connector faulty?

STOP

1. Disconnect Ignition switch

2. Check Continuity between BCM side connector pin

[C1-

21]

with battery

[C3-2/C3-1]

Continuity

Found?

Correct BCM side wiring harness

( Short to Battery)

1. Remove Ignition switch mating connector.

2. Check continuity of Ignition switch contact

[C1- 21]

with BCM battery

[C3-2]

Reconnect connectors firmly

Continuity Found?

1. Ignition switch faulty.

2. Replace Ignition switch.

BCM ECU Faulty

Replace BCM ECU

YES