2835 / 4910
Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 755 of 855
Copyright ©
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 continuity between two terminals of
Illumination Level switch
Continuity
found?
BCM ECU faulty
1. Switch is faulty.
2. Replace Illumination Level switch
NO
YES
Check continuity between Illumination Level
Switch & Ground
Continuity
found?
Correct Illumination Level switch side
wiring harness(Short To Ground)
YES
NO
Replace BCM ECU
B
A
B1F08 – 14 : Illumination Level Switch - Circuit Short to Ground or Open
Check continuity between BCM connector pin
[C4 - 50]
and Cockpit
Illumination signal contact at the Illumination level switch.
Open circuit?
Correct wiring harness(Open
circuit)
NO
YES