773 / 801
NEXON EV
X114H
DTC Troubleshooting Data
Version: 1.0
Date: 11-12-2019
`
9
Author: Prashant Ghadigaonkar/ Samir Tikhe
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.
P130100:- HV under / Over voltage fault.
Overview:
ISO Code (If applicable) P130100
Customer Symptom
Vehicle will stop.
Fault Effect (On Vehicle) Vehicle cannot be driven.
Lamp Status (If Any)
HV Critical lamp on cluster glows
DTC Detection Condition
This DTC gets logged if the HVDC bus supply to the E-drive is less than 250V or greater
than 430V.
Normal Operating
Condition
HVDC bus supply to the E-drive is in the range of 280-400 V
Probable Trouble Area
Overvoltage:
a) OBC(On Board Charger) providing more at the output.
b) E-compressor is generating for more output voltage.
c) Generation mode of the E-drive itself is generating more voltage.
d) Battery malfunctioning.
Undervoltage:
a) Without discharge command system voltage goes below 250V.
b) DC capacitor is faulty.
c) Loose connection in PDU or at E-drive terminals.
d) Battery malfunctioning.
Healing Condition
Ignition Reset
Write up for the system:-
E-drive is a three in one unit which consist of Electric motor, Motor Controller Unit and Gear-Box,
Where this unit draws power from the High voltage battery and convert that electric power into
kinetic energy which helps to rotate the vehicle. During braking vehicle kinetic energy convert in to
electric energy
.
Pre-Check Points:-
a) Check connection of the E-drive terminal are properly connected
E-DRIVE
LV signal
connector
WHEEL
HV BATTERY