Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 596 of 855 Copyright © 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. Normal vehicle setup start Connect Diagnostic tool and Read DTC. Switch ON front wash and read DTC. Is DTC B220B-15 NO YES Stop Remove Vehicle Battery connections. (Please follow safety guidelines) 1) Remove BCM connector and check for backout/ pins bend/ damages. Yes Check continuity between 1) BCM connector B pin 7 and Connector A pin 9 in the harness connector 2) BCM connector B pin 7 and Connector C pin 1/ 2 in the harness connector Yes Correct the wiring harness short and open circuit. Remove the Washer motor connector and check for continuity from connector B pin 7 to Wash motor conn pin1. Is continuity observed Yes No Correct the wiring harness short/ open circuit. Yes Replac e the motor Any fault observed Correct the fault No Any continuity observed No Is motor faulty B220B-15 Front washer short to Batt or Open Remove the Washer motor and check the motor is working by providing external supply and GND Replac e the ECU
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