Q5/X451 FATC DTC Troubleshooting Data Version: 1.0 Date: 16-Oct-2018 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: 96 of 202 B1F3F-71:- Fresh Air/RECIRC Drive Motor – Actuator stuck; ISO Code B1F3F- 71 Customer Symptom No air selection control (manual or automatic) Fault Effects (On Vehicle) The motor is blocked and its motion toward either end is not possible Lamp Status (If Any) Motor shall be disabled Fault Detection Condition Fresh/RECIRC Door Control Motor - Actuator stuck Normal Operating Condition With the Fresh/RECIRC feedback line connected to the harness and with Ignition ON, check the voltage between blue connector pin no 7 & ground or 23 & ground. The voltage range should be in between 0.4 to 4.47 V Probable Trouble Area Motor is stuck because of a mechanical block or obstruction in movement of flap Healing Condition Perform ignition ON/OFF for 11 Cycles for Auto Calibration Component Details: The recirculation/fresh air selector door actuator motor controls the position of the door which allows fresh air or recirculation air, or a combination of the two, into the vehicle. The motor is mounted on the recirculation /fresh air duct. Preliminary Checks: Switch On the IGN & perform the following check. 1) Connect the Diagnostics tool & check the DTC fault code 2) If the fault code exists, refer the corrective actions
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