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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: 721 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.
P0616-11: Starter Relay Circuit Low – Circuit Short to Ground
Overview:
ISO Code
P0616-11
Customer Symptom
Vehicle will not Start
Fault Effects (On Vehicle)
Vehicle will not Start as Crank is inhibited.
Lamp Status (If Any)
CE Lamp ON after 1 drive cycle
Fault Detection Condition
Ignition ON and Starter Relay 1 control pin of EMS ecu is short circuited to
Ground.
Normal Operating Condition
Wiring Harness connections as per circuit schematic between EMS ecu
and Starter relay 1, Relay Fully operational.
Probable Trouble Area
Improper Wiring Harness Connections, Starter relay Stuck Closed
Healing Condition
After 1 Drive cycles
Fault permanent deletion
1. Clear DTC Command form Scan tool
2. Stack Over Flow.
3. 40 warm up cycles.
4.ECU flashing
5. ECU Power-Fail
Component Details:
Starter Relay is a normally open relay. It is an electrically controlled switch. By energizing the coil of the relay, its
contacts get closed.
Preliminary Checks:
1) Loose/ Damaged Connections between Starter Relay and EMS ECU.
2) Loose/ Damaged Connections between Starter Relay Contact pin X & Battery supply or Starter relay Contact
pin X and Starter Relay-2 Contact pin X.
3) Check for back out of pins at ECU connector.
4) Check for damage of pins at ECU connector..