Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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: 25 of 301 C1 ACTUATOR Amp no 01355082-1 1 PotentiometerGnd Potentiometer Ground with FB- Gnd 2 PotentiometerFbSig Potentiometer feedback signal Analog 3 PotentiometerSpply Potentiometer Supply with FB- Power 4 NC NC NC 5 Mot + Motor signal is + in CW and Motor signal is - in CCW Digital 6 Mot - Motor signal is - in CW and Motor signal is + in CCW Digital Inspection Method: -1) If there is continuity between the Temperature motor drive line and Battery line correct the wiring harness (wiring harness short to Battery) B1F2D-13:- Driver side Air Temperature Motor Drive Line - Circuit Open; ISO Code B1F2D-13 Customer Symptom No Driver side air temperature control (manual or automatic) Fault Effects (On Vehicle) Motor movement is not possible Lamp Status (If Any) NA Fault Detection Condition Driver side Air Temperature Motor Drive Line - Circuit Open Normal Operating Condition Driver side Air Temperature Drive Motor is Functional and check the voltage between blue connector pin no 4& ground and 20& ground of the Connector. The voltage range should be in between 0 to 14 V.
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