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Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 424 of 737
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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.
1. Disconnect Ignition switch
2. Check Continuity Between BCM side connector pin
[C1-10]
with BCM Battery Ground
[C1-34/ C1-47]
Continuity Found?
Correct Wiring harness
(Short To Ground)
YES
NO
1. Remove Ignition switch mating connector.
2. Check continuity of Ignition switch contact
[C1- 10]
with BCM battery
[C3-2]
Continuity Found?
YES
NO
1. Ignition switch faulty.
2. Replace Ignition switch
BCM ECU Faulty
Replace BCM ECU
A
B
DTC’s confirmation:-
After rectification, ensure the following points by using TML diagnostic tool before handing over to customer.
Check DTC U1010 - 11 is not logged
Circuit Schematic Diagram:-