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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: 519 of 855
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TATA MOTORS Ltd.
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1. Remove Combi switch mating connector
2. Perform visual check of connectors for pin bend or damaged etc.
Connector
Faulty?
Correct Connector fault
(Terminal Bend)
BCM ECU Faluty
Replace BCM ECU
YES
NO
Check if Combi switch Rear washer input[wiring
harness side] is shorted to ground
[pin details TBD].
Correct combi switch side wiring harness
(Short to Ground)
Check if combi switch is faulty / shorted to other terminals
of combi switch ie, with Rear wiper / shorted to ground pin
terminal
[pin / terminal details of combi switch TBD]
Switch Faulty?
Replace combi switch
1.Remove all BCM connectors
2.Take out Rear washer input wire
[C1-12]
from BCM connector
3.Reconnect all connectors
4.Check if Rear washer is ON?
Rear washer is ON?
Reconnect all connectors firmly
YES
NO
YES
NO
Continuity Found?
YES
NO
A
B
B223B -11: Rear Washer Switch - circuit short to ground