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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: 509 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.
B220C - 12: Front Washer Switch - Circuit short to Battery or Open Circuit
Overview:
ISO Code
B220C - 12
Customer Symptom
Front Washer always OFF
Fault Effects (On Vehicle)
Front Washer always OFF
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 washer 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 or stuck
4. Combi switch connector fault.
5. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Front washer switch is part of combination stalk switch and interfaced to the BCM. If the IGN is on and if user put
the combi switch to Front Washer position, Front washer pump will turn ON.
Preliminary Checks:
1.
Check Battery Voltage (12.5 V & above)
2.
Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-