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

X0 MCE (Tiago / Tigor) Instrument Cluster DTC Troubleshooting Data Version: 1.4 Date: 14-Dec-19 Author: Jeeva Raj / Sharad Shivane Page: 83 of 135 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. Abbreviation Name Abbreviation BCM Body control module IPC Instrument Panel Cluster HVAC Heating Ventilating and Air conditioning SRS Safety restraint system DTC Diagnostic trouble code ABS Antilock braking system BCM / Vehicle immobilizer control module HU Head unit CAN Controller area network ECU Electronic control unit N.A Not Applicable OBD On Board diagnostic CAN_H CAN high CAN_L CAN low ECM Engine control module TCM Transmission control module EPAS Electric power assistance system AFE Average fuel economy IFE Instantaneous fuel economy MIL Malfunction indicator Lamp EBD Electronic brake force distribution CE Check engine Preliminary Check: 1. Check resistance in Diagnostic CAN pin no. 6 and 14. It should be 120ohm. 2. Check for short conditions between CAN_H-CAN_L, CAN_H-GND, CAN_L-GND, CAN_H-Vbatt and CAN_L- GND. There should not be any short circuit conditions. 3. Check continuity between IPC CAN_H (pin no. 15) vehicle side connector to OBD connector CAN_H (pin no. 6) and CAN_L (pin no. 14) vehicle side connector to ODB connector (pin no.14). 4. Turn ignition ON and Read IVN DTCs in IPC.