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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: 537 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.
B2212 - 12: Front Wiper Low speed Switch - Circuit short to Battery or Open Circuit
Overview:
ISO Code
B2212 - 12
Customer Symptom
Front wiper always OFF(Low speed)
Fault Effects (On Vehicle)
Front wiper always OFF(Low 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 low 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 Low 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 low speed position, front wiper will turn ON in low speed.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-