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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: 515 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.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
Check continuity between BCM connector pin
[ C1-24
] and
BCM ground
[C1-34/C1-47]
Continuity
found?
Correct BCM side wiring
harness
( Short to Ground)
YES
1. Remove Front washer switch mating connector
2. Perform the visual check of connectors for pin bend or
damaged etc.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
NO
Check continuity between two terminals of Front
Washer switch
Continuity found?
BCM ECU Faulty
Replace BCM ECU
Check continuity between Front Washer switch terminal
[pin details TBD]
and ground
[ground details TBD]
NO
NO
NO
YES
A
B
B220C – 23: Front Washer Switch – Signal Stuck Low
1. Switch is faulty
2. Replace combi switch