Vehicle Platform: All ECU Name: Telematics Control Unit (TCU) DTC Troubleshooting Data Version: 1.12 Date: 02-06-2022 Author: TCM COC Page: 10 of 150 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. Pin Diagram and Description for Gen2 Telematics Pin # Signal Name Signal Description 1 MC_MIC_IN_P Audio input 2 MC_MIC_IN_N Audio input 3 GND_MAIN GND 4 uC_DIG_ANG_3 Digital/analog Signal I/P 5 CAN Shield CAN GND 6 CAN1_L Diagnostic CAN 7 CAN1_H Diagnostic CAN 8 uC_DIG_ANG_2 Digital/analog Signal I/P 9 uC_DIG_ANG_1 Digital/analog Signal I/P 10 RESERVED Reserved 11 GND_MAIN GND 12 Batt_IN_24V BATTERY+ 13 MC_SPK_OUT_P Audio output 14 MC_SPK_OUT_N Audio output 15 GND_MAIN GND 16 RESERVED Reserved for E-Call LED - Active Low - Component to be interfaced info needed (TML) 17 CAN Shield CAN GND 18 CAN2_L Vehicle CAN 19 CAN2_H Vehicle CAN 20 RESERVED Reserved 21 RESERVED Reserved 22 MC_DIG_OP4(High side) HW wake output for BCM 23 RESERVED Reserved for E-Call LED - Active High - Component to be interfaced info needed (TML) 24 IGN_KL15 Ignition input 25 MC_MIC_OUT_P Audio out 26 MC_MIC_OUT_N Audio out 27 GND_MAIN GND 28 uC_DIG_ANG_4 Digital/analog Signal I/P 29 uC_DIG_ANG_5 Digital/analog Signal I/P 30 RS485_D+ Signal 31 RS485_D- Signal 32 MC_ANG/eCALL Wake input from VCU (Applicable only for EVs) -- To be Splice Short with Pin 36 33 MC_ANG/b CALL Signal 34 MC_DIG_OP1(Low side) Digital O/P 35 MC_DIG_OP6(High side) Digital O/P 36 MC_ANG/eCALL Wake input from VCU (Applicable only for EVs) - To be Splice Short with Pin 32
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