TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 749 of 1106 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 Run Input switch test routine and read DTC. Is DTC B2215-1C NO YES Stop Remove Vehicle Battery connections. (Please follow safety guidelines) 1) Remove BCM connector and check for backout/ pins bend/ damages. 2) Remove the combi switch connector and check for backout/ pins bend etc. Yes Check continuity between 1) BCM connector A pin 36 and Connector A pin 9 in the harness connector. 2) BCM connector A pin 36 and Connector C pin 1/ 2 in the harness connector. Yes Correct the wiring harness short and open circuit reconnect the vehicle battery and BCM Remove the Combi switch and connect other working combi switch. Do all the initial vehicle setup(vehicle batt connection etc) No Any fault observed Correct the fault No Any continuity observed No B2215-1C Front wiper variable speed signal circuit voltage out of range Replace the ECU Is the front wiper variable speed working Yes Check continuity between BCM Harness mating connector A pin 36 and respective pin in combi switch Is continuity observed No Yes