{Osprey CCM} DTC Troubleshooting Data Version: 2.0 Date: 28-Jul-17 Author: ERC Page: 87 of 244 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. B1F2C-12:- Fresh Air/RECIRC Motor Drive Line- Circuit Short to Battery;: ISO Code B1F2C- 12 Customer Symptom No air selection control (manual or automatic) Fault Effects (On Vehicle) If polarity of motor lines is affected by fault, motor will move to either end stop Lamp Status (If Any) NA Fault Detection Condition Fresh/RECIRC Door Control Motor Drive Line - Circuit short to battery Normal Operating Condition With the Fresh/RECIRC motor drive line connected to the harness and with Ignition ON, check the voltage between blue connector pin no 12 & ground or 13 & ground. The voltage range should be in between 0 to 14 V Probable Trouble Area Motor drive line is shorted to battery Healing Condition NA 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) Read ECU parameter value Target Position of Air-Inlet Door Flap and AI Door flap Position (Internal Value) for actual and target position of Actuator
RkJQdWJsaXNoZXIy MTIwNTUz