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NEXON EV
X114H
DTC Troubleshooting Data
Version: 3.0
Date: 27-May-2020
`
76
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.
P224119:- Input AC current overload
Overview:
ISO Code (If applicable)
P224119
Customer Symptom
NA
Fault Effect (On Vehicle)
OBC will stop charging HV battery
Lamp Status (If Any)
NA
DTC Detection Condition
AC current overload
Normal Operating Condition
Input AC Current < 16A.
Probable Trouble Area
1. Input current overload
2. 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.
.
Pre-Check Points:
a) Check for design intended charging Gun
b) Check AC Input Connection (Live, Neutral & PE) for damage (connectors, terminals bending & oxidation of
pins)
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 P224119, is
present?
Go to step 2
Repair complete
2
Change the charging gun and charge the
vehicle .
Fault code P224119, is
present
Go to Step 3
Go to Step 1
3
Remove the OBC AC input connector.
Check for short of Phase &Neutral,
Phase &Earth, Earth & Neutral pins
between OBC AC input connector and
Vehicle inlet (socket)
Is there continuity b/w
Phase &Neutral, Phase
&Earth, Earth &
Neutral pins?
Replace OBC
Replace the
wiring harness
from vehicle Inlet
to OBC AC input
DTC
’
s
confirmation:-
On-Board charger
230V AC supply
HV Battery
LV signal connector