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: 55 of 202 b) Read ECU parameter Blower Motor Drive Signal Output, which should be requested values. Component Location & Image:- Connector View & Information: - PIN Assignment 1 CtrlSig Control Signal PWM 2 DiagSig Diagnostic signal Analog 3 -MotSig Motor signal Analog 4 ACC Supply ACC Supply Power 5 Gnd Ground Gnd Inspection Method: - 1) If there is no continuity between the Blower control circuit & ECU connector then correct the wiring harness
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