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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 743 of 855
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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.
B2230 – 12 : Master Light Switch Fail Safe Signal
- Circuit Short to Battery
A
Is connector
faulty?
Check continuity between BCM connector
pin
[C4-23]
and BCM battery
[C3-2/C3-1]
.
Continuity
found?
1. Remove MasterLight switch matting connector.
2. Perform visual check of masterlight switch connector for pin bend or
damaged etc.
Is connector
faulty?
Check continuity between Master Light Switch failsafe signal
terminal & Battery Supply terminal of masterlight switch
connector(Please refer the masterlight switch drawings)
Continuity
found?
BCM ECU faulty
Replace BCM ECU
1. MasterLight switch is faulty.
2. Replace MasterLight switch.
Correct connector
fault(Terminals bend)
Correct BCM side wiring
harness.(Short to battery)
Correct connector
fault(Terminals bend)
B
YES
YES
YES
YES
NO
NO
NO
NO