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: 136 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: -check the mechanical mountings and fitment of camshaft placed on the actuators B1F3D-71:- Air Distribution Motor Drive Line– Actuator stuck; ISO Code B1F3D- 71 Customer Symptom No air distribution (mode) control (manual or automatic) Fault Effects (On Vehicle) The motor is blocked and its motion toward either end is not possible
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