Vehicle Platform: NEXON ECU Name: ESCL DTC Troubleshooting Data Version: 1.4 Date: 09 Jan 2018 Author: Hitesh Kaneria Page: 44 of 88 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. Troubleshooting: A No Voltage fluctuates between 0V and V? 14 Yes Disconnect ESCL ECU power supply connector . Check voltage b/w pin 1 & 6. ) Refer Connector View & Information ( No Is DTC Present? Yes No Stop 1 . Connect the TML Diagnostic Tool. . 2 . Turn the Ignition ON 3 . Check the status of DTC’s (Memorized/Current ) 4 . Record the DTC & Clear 5 . Turn Ignition OFF & ON . 6 . Read ECU parameters Control Module Input 7007( Power 1) using diagnostic tool Range: 9 to 16 V. 7 . Verify If U1008 – 17is present Replace wiring harness ) Vehicle side ( Check resistance of Under bonnet fuse box (60 Amp). I s it infinity /Showing No value (fuse is blown) ? Yes Replace the respective fuse
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