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: 105 of 301 PIN Assignment 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 no continuity between the Temperature feedback line & ECU connector then correct the wiring harness 2) If there is continuity between the Temperature feedback line and Battery line correct the wiring harness (wiring harness short to Battery) B1F21-11:- Air Distribution Feedback Signal – Circuit Short to Ground; ISO Code B1F21- 11
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