Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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: 38 of 301 Normal Operating Condition Co-Driver Air Temperature Drive Motor is Functional and check the voltage between blue connector pin no 4& ground and 20& ground of the Connector. The voltage range should be in between 0 to 14 V. Probable Trouble Area Either or both Motor drive lines is open circuited (Can be detected only when motor movement is requested) Healing Condition NA Component Details: The actuator controls the position of the Co-Driver temperature blend door based on the voltage signal from the FATC module. Potentiometer, inside the actuator, sends a feedback signal to the controller and controller cuts off the voltage signal coming from the controller when the required door position is achieved. Preliminary Checks: Switch On the IGN & perform the following check. 3) Connect the Diagnostics tool & check the DTC fault code 4) Read ECU parameter Target Position of Co-Driver Temperature Door Flap and Co-Driver Temperature Door flap Position (Internal Value) for actual and target position of Actuator Trouble Shooting:-
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