Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 525 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. B223B - 23: Rear washer switch - Signal Stuck Low START Connect Diagnostic tool and check for DTCs Is DTC B223B - 23 present? STOP NO Check DTC present is Permanent or Historic Is Historic? 1. Activate Rear wash switch input and deactivate it. 2. Clear the DTC from memory Is DTC B223B - 23 present? YES NO Check DTC present is Permanent or Historic YES NO Disconnect vehicle battery connection. (Please follow the safety guidelines) Check BCM / Rear Washer switch connectors for terminal backout Are connectors loose? Reconnect connectors firmly YES 1.Remove BCM side wiring harness Connector. 2.Perform visual check of connectors for pins bent or damaged etc. NO YES A B
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