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NEXON EV
X114H
DTC Troubleshooting Data
Version: 3.0
Date: 27-May-2020
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82
Author: K Tejaswini Manasa/ Navya Krishnan/Gaurav Jha
Copyright © TATA MOTORS Ltd.
This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author.
P221000:- Sensor diagnostic failure
Overview:
ISO Code (If applicable)
P221000
Customer Symptom
HV battery charging will stop
Fault Effect (On Vehicle)
OBC will stop charging HV battery
Lamp Status (If Any)
NA
DTC Detection Condition
This DTC gets logged for sensor diagnostic failure
Normal Operating Condition
All sensors are working normal
Probable Trouble Area
Sensor error in OBC.
Healing Condition
Disconnect the gun and connect back after VCU sleep
Write up for
the system:-
The on-board charger (OBC) takes AC input and converts it to direct current to charge a HV battery. The LV supply of OBC
is from 12V battery. It requires AC HV supply voltage of 230V, 50Hz to charge the HV battery. Without the LV supply
charging is not possible.
Pre-Check Points:-
KL 30
12V LV supply to OBC
KL 31
LV/Chassis ground to OBC
a) Check LV Battery voltage to be in range (7.5V - 14V)
b) Check for 12V LV Battery Voltage is with in the range ( 7.5V to 14V)
TroubleShooting:-
Flow Diagram or table format for diagnosing the fault code
Step no
.
Description
Check Point
if YES
if NO
1
Connect the Charging Gun & switch ON
the AC supply. check for the fault code.
Fault code P221000, is
present?
Replace OBC.
Repair complete.
DTC
’
s
confirmation:-
On-Board charger
230V AC supply
HV Battery
LV signal connector