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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 515 of 1203
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.
Diagnosis
Use multimeter to check for coil resistance across pin 1 and pin 2, which should be between 300 ohms to 420 ohms
1. ECU pin 213: +ve
2. ECU pin 201: -ve
3. Shield
Use TATA diagnostic tool to check for engine rpm during cranking.