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{Osprey CCM}
DTC Troubleshooting Data
Version: 2.0
Date: 28-Jul-17
Author: ERC
Page: 117 of 244
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TATA MOTORS Ltd.
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B1F3F-54:- Fresh Air/RECIRC Drive Motor – Missing calibration;
:
ISO Code
B1F3F- 54
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)
NA
Fault Detection Condition
Fresh/RECIRC Door Control Motor Calibration Fault
Normal Operating Condition
Fresh Recirc actuator is Functional
Probable Trouble Area
Motor learning is not accomplished because of
1) Shorting of Motor drive to battery or ground
2) Motor is stuck while calibrating
3) System over/under voltage during calibration
4) Motor feedback fault short to battery or ground
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) If the fault code exists, refer the corrective actions