NEXON DIAGNOSTIC MANUAL

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Author: Balaji / Amar /

Nitin / Umapathi /

Deepak

Page: 103 of 138

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.

DTC’s confirmation:-

After rectification, ensure the following points using TML diagnostic tool before handing over to customer.

a) Check whether HVAC ECU is communicating with diagnostic Tool or not.

b) DTC should not be present in ECU memory.

Circuit Schematic Diagram:-

Component Location & Image:-

N.A

Connector Location:-

N.A

Connector View & Information:-

ECU side Connector

HVAC ECU Pin assignment

Pin No.

Pin Name

Description

CAN_H

CAN High

CAN_L

CAN Low

Ign

Ignition

15,16

Vbat

Supply Voltage Battery

1,2

GND

Battery GND