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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: 49 of 202
B1F2C-13:- Fresh Air/RECIRC Motor Drive Line- Circuit Open:
ISO Code
B1F2C- 13
Customer Symptom
No air selection control (manual or automatic)
Fault Effects (On Vehicle)
Motor movement is not possible
Lamp Status (If Any)
Motor To be Disabled
Fault Detection Condition
Fresh/RECIRC Door Control Motor Drive Line - Circuit Open
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 7 & ground or 23 & ground. The
voltage range should be in between 0 to 14 V
Probable Trouble Area
Either of the two Motor drive lines is open circuited
Healing Condition
If there is no continuity between the Air Inlet door Motor
drive line & ECU connector then correct the wiring harness
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