B2F44-00 - No Ecm Challenge (Ems Ecu Node Absent) - Mahindra XUV700 2021 Diagnostic Manual

Table of Contents

Diagnostic Manual

XUV700 (Diesel)

13.7 B2F44–00 — NO ECM CHALLENGE (EMS ECU NODE ABSENT)

13.7.1 EMS ECU NODE ABSENT

EMS ECU is not in CAN when the ignition is turned ON

DTC Description

DTC INFORMATION

NORMAL OPERATION

• Ignition ON

• After successful security authentication, vehicle

starts normally

DTC DETECTING CONDITIONS

• This combination is registered when the EMS ECU is

not connecting or not in CAN

DTC REACTIONS

• Cluster will not wake up

• Starter will not engage

HEALING CONDITION

• Ignition OFF/ON

• Fault not present

13.7.2 DIAGNOSTIC PROCEDURE

STEP 1 – CHECK EMS ECU CONNECTIVITY

PRE CONDITION

• Turn ON ignition

TEST PROCEDURE

• Connect i—SMART diagnostic tool to the vehicle OBD port and check whether EMS ECU

is connecting

The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes introduced by the

manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of or whole of the present document, are

prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd., will

UICU

EMS ECU

B2F44–00

B2F45–00

OCT - 2021/Rev 1

UICU

DTC Description

No ECM challenge

Authentication

failed/timeout

PROBABLE CAUSES OF

FAILURE