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: 1111 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.
P3011-00: Writing of Variant Code Not Done for Calibrated Number of Ignition Cycles – Generic
Electric Failure
Overview:
ISO Code
P3011-00
Customer Symptom
Vehicle will not function as per design intent
Fault Effects (On Vehicle)
Vehicle will not function as per design intent
Lamp Status (If Any)
CE Lamp ON after 1 cycle
Fault Detection Condition
This fault gets logged if the variant code is not written
for CWWRTERCNT
ignition cycles
Normal Operating Condition
Vehicle Variant Coding activity will be successful
Probable Trouble Area
Variant Coding not performed at EOL station
Healing Condition
After 1 drive cycles of fault rectification
Component Details:
NA
Preliminary Checks:
NA
Trouble Shooting:-
Step
Checks
IF YES
IF NO
1.
Perform the variant coding activity. Is Activity Successful?
Go to step 3
Go to step 2
2.
Check whether the EOL tool is sending the information
properly to EMS ecu && the variant coding written into the
EMS ecu is aligned to the vehicle variant?
Go to Step 3
Replace EOL tool /
Wite proper variant
code into the EMS
ecu
3
If the fault still persists?
Replace EMS ecu
Repeat the above
procedure for fault
confirmation
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before
handing over to customer.
Clear the DTC, Turn OFF the ignition and then turn it ON. Read the DTC’s. Ensure that fault shall not reappeared.
Circuit Schematic Diagram:
NA
Component Location & Image:-
NA




