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{Osprey CCM}
DTC Troubleshooting Data
Version: 2.0
Date: 28-Jul-17
Author: ERC
Page: 128 of 244
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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.
B1F2E-11:- Air Distribution Motor Drive Line– Circuit short to Ground;
:
ISO Code
B1F2E- 11
Customer Symptom
No air distribution (mode) 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)
Specific warning text [ERR]is displayed on Head Unit Display
Fault Detection Condition
Mode Door Control Motor Drive Line - Circuit short to ground
Normal Operating Condition
With the Mode motor drive line connected to the harness and
with Ignition ON, check the voltage between blue connector
pin no 14 & ground or 15 & ground of the Connector. The
voltage range should be in between 0 to 14 V
Probable Trouble Area
Motor drive line is shorted to ground
Healing Condition
NA
Component Details:
The Mode Door Actuator controls the direction of airflow. It selects which way air flows through the different ducts.
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 Mode Door Flap
and
Air Distribution Mode Door flap Position
(Internal Value)
for actual and target position of Actuator