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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: 540 of 855
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TATA MOTORS Ltd.
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B220E - 12: Front Wiper High speed Switch - Circuit short to Battery or Open Circuit
Overview:
ISO Code
B220E - 12
Customer Symptom
Front wiper always OFF(High speed)
Fault Effects (On Vehicle)
Front wiper always OFF(High speed)
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will be logged after the input switch test
routine execution. User has to operate the switch
manually during routine. If short to battery or open
circuit fault is detected for front wiper high speed switch
then this DTC will be returned with the Routine results.
Normal Operating Condition
There should not be any fault returned by routine
Probable Trouble Area
1. BCM connector Fault
2. Cockpit harness Short to battery or open circuit
3. Switch damaged
4. Combi switch connector fault.
5. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Front wiper High speed switch is part of combination stalk switch and interfaced to the BCM. If the IGN
is if user put the combi switch to front wiper high speed position, front wiper will turn ON in high speed.
Preliminary Checks:
Check Battery Voltage (12.5 V & above)
Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-