Gravitas/SAFARI/X451/NEXON FATC DTC Troubleshooting Data Version: 1.1 Date: 28-Apr-2021 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. Author: ERC Page: 3 of 244 Table of Contents B1F1B-11:- Solar Radiation Sensor Circuit - Circuit short to Ground; ----------------------------------------------- 5 B1F1B-15:- Solar Radiation Sensor Circuit - Circuit short to battery or open; ------------------------------------ 9 B1F23-11:- Evaporator Temperature Sensor Signal - Circuit Short to Ground; --------------------------------- 11 B1F23-15:- Evaporator Temperature Sensor Signal - Circuit Short to Battery or Open; --------------------- 15 B1F2D-11:- Driver side Air Temperature Motor Drive Line - Circuit Short to Ground; ------------------------ 18 B1F2D-12:- Driver side Air Temperature Motor Drive Line - Circuit Short to Battery; ------------------------- 22 B1F2D-13:- Driver side Air Temperature Motor Drive Line - Circuit Open; --------------------------------------- 25 B1F56-11:- Co-Driver Air Temperature Motor Drive Line - Circuit Short to Ground; -------------------------- 29 B1F56-12:- Co-Driver Air Temperature Motor Drive Line - Circuit Short to Battery; --------------------------- 33 B1F56-13:- Co-Driver Air Temperature Motor Drive Line - Circuit Open; ------------------------------------------ 37 B1F2E-11:- Air Distribution Motor Drive Line– Circuit short to Ground; ------------------------------------------ 41 B1F2E-12:- Air Distribution Motor Drive Line– Circuit short to Battery; ------------------------------------------- 45 B1F2E-13:- Air Distribution Motor Drive Line – Circuit Open; -------------------------------------------------------- 50 B1F2C-11:- Fresh Air/RECIRC Motor Drive Line- Circuit Short to Ground; --------------------------------------- 54 B1F2C-12:- Fresh Air/RECIRC Motor Drive Line- Circuit Short to Battery; --------------------------------------- 58 B1F2C-13:- Fresh Air/RECIRC Motor Drive Line- Circuit Open: ------------------------------------------------------ 62 B1F2F-12:- Blower Motor Drive Signal - Circuit Short to battery; ---------------------------------------------------- 66 B1F1F-11:- Driver Side Air Temperature Feedback Signal - Circuit Short To Ground; ----------------------- 69 B1F1F-15:- Driver Side Air Temperature Feedback Signal - Circuit Short to Battery or Open;------------- 72 B1F54-11:- Co-Driver Air Temperature Feedback Signal - Circuit Short To Ground; -------------------------- 76 B1F54-15:- Co-Driver Air Temperature Feedback Signal- Circuit Short to Battery or Open; ---------------- 80 B1F21-11:- Air Distribution Feedback Signal – Circuit Short to Ground; ----------------------------------------- 84 B1F21-15:- Air Distribution Feedback Signal – Circuit Short to battery or Open; ------------------------------ 89 B1F1D-11:- Fresh Air/RECIRC Feedback Signal - Circuit Short to Ground; -------------------------------------- 92 B1F1D-15:- Fresh Air/RECIRC Feedback Signal - Circuit Short to Battery or open; --------------------------- 96 B1F3E-71:- Driver Side Temperature Door Control Motor - Actuator stuck; ------------------------------------- 99 B1F3E-54:- Driver Side Temperature Door Control Motor Calibration Fault; ------------------------------------103 B1F57-71:- Co-Driver Side Temperature Door Control Motor - Actuator stuck; --------------------------------107 B1F57-54:- Co-Driver Side Temperature Door Control Motor Calibration Fault; -------------------------------111 B1F3D-71:- Air Distribution Motor Drive Line– Actuator stuck; -----------------------------------------------------115 B1F3D-54:- Air Distribution Motor Drive Line– Missing calibration; -----------------------------------------------119
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