Mahindra XUV700 2021 - User Manual

Diagnostic Manual
MAN-01065
DIAGNOSTIC MANUAL
XUV700 (Diesel)
UICU
Revision — 1
OCT - 2021
Published by — Service Engineering
Technical Hub

Mahindra XUV700 2021 Specifications

General

Brand	Mahindra
Model	XUV700 2021
Category	Automobile
Language	English

Summary

Abbreviations

How to Use This Manual

Standard Test Procedure

Testing of Voltage Potential

Procedures for testing voltage potential using a voltmeter.

Testing for Continuity (Resistance)

Procedures for testing continuity and resistance.

Testing for a Short to Ground

How to test for shorts to ground in circuits.

Testing for a Short to Ground on Fuses Powering Several Loads

Testing for shorts to ground on multi-load fuses.

Testing for a Voltage Drop

Procedure for measuring voltage drop across components.

Intermittent and Poor Connection

Troubleshooting intermittent electrical issues caused by connections or wiring.

Recommended Trouble Shooting Process

Warranty & Other Information

Adrenox - Service Mode

Immobilizer System Overview

7.1 Kit Lock Set with Universal Immobilizer

Details about the immobilizer kit lock set and its compatibility.

7.2 EMS - MD1 CS018

Information about the Engine Management System (EMS) ECU.

7.3 Crank and Start Condition for Bosch MD1 CS018;UICU Combination

Conditions for engine crank and start with EMS/UICU combination.

7.4 Ignition Key Interlock System (Only Applicable for RKE AT Variant)

Functionality of the ignition key interlock system.

EMS ECU and UICU Replacement

8.1 EMS ECU (Bosch MD1 CS018) Replacement

Procedure for replacing the EMS ECU.

8.2 UICU Replacement

Procedure for replacing the UICU.

i-SECURE Tool Login

EMS ECU Unlock

10.1 EMS ECU Unlocking Procedure

Step-by-step guide to unlock the EMS ECU.

Key; Transponder Checking

11.1 UICU Key Checking Process

Process for checking and validating vehicle keys.

11.1.1 Failures in Key Checking Process

Lists errors, root causes, and actions for key checking failures.

DTC Based Diagnostics

13.1 B2 F48-00 - F(); Signature 1 Mismatch

Details on DTC B2F48-00, including causes and reactions.

13.1.1 EMS ECU Authentication

Describes EMS ECU authentication process.

13.1.2 Diagnostic Procedure

Step-by-step procedure for diagnosing DTC B2F48-00.

13.2 B2 F44-00 - No ECM Challenge

Information on DTC B2F44-00, including causes and reactions.

13.2.1 Security Components

Discusses security components involved in DTC B2F44-00.

13.2.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F44-00.

13.3 B2 F43-00 - TXP Table Empty

Details DTC B2F43-00, its causes, and reactions.

13.3.1 UICU TXP Table

Explains the UICU Transponder (TXP) table.

13.3.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F43-00.

13.4 B2 F40-00 - Missing Transponder;No Response

Information on DTC B2F40-00, causes, and reactions.

13.4.1 Transponder Chip

Details the function of the transponder chip.

13.4.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F40-00.

13.5 B2 F41-00 - TAG Authentication Failed

Details DTC B2F41-00, causes, and reactions.

13.5.1 Authentication

Explains the vehicle security authentication process.

13.5.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F41-00.

13.6 B2 F42-00 - Wrong TXP

Information on DTC B2F42-00, causes, and reactions.

13.6.1 Wrong or New Key

Explains issues with wrong or new keys.

13.6.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F42-00.

13.7 B2 F44-00 - No ECM Challenge (EMS ECU Node Absent)

Details DTC B2F44-00, EMS ECU node absent.

13.7.1 EMS ECU Node Absent

Explains when the EMS ECU node is absent.

13.7.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F44-00 (EMS ECU Node Absent).

13.8 B2 F4 C-00 - Checksum Mismatch

Information on DTC B2F4C-00, causes, and reactions.

13.8.1 EMS ECU and IMMO ID

Checks EMS ECU and IMMO ID for mismatch.

13.8.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F4C-00.

13.9 B2 F49-00 - No ECM Acknowledgement

Details DTC B2F49-00, causes, and reactions.

13.9.1 Security Components

Discusses security components for DTC B2F49-00.

13.9.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F49-00.

13.10 B2 F4 A-00 - Negative Acknowledgement

Information on DTC B2F4A-00, causes, and reactions.

13.10.1 Negative Acknowledgement to EMS ECU

Explains negative acknowledgement to EMS ECU.

13.10.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F4A-00.

13.11 B2 F47-00 - Immobilizer ID Not Programmed

Details DTC B2F47-00, causes, and reactions.

13.11.1 EMS and IMMO ID

Checks EMS and IMMO IDs for programming status.

13.11.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F47-00.

13.12 B2 F4 F-00 - ICU EMS ID Not Programmed;Invalid

Information on DTC B2F4F-00, causes, and reactions.

13.12.1 EMS and IMMO ID’s

Checks EMS and IMMO IDs for mismatch.

13.12.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F4F-00.

13.13 B2 F47;4 F;43;50-00 - UICU Blank

Details DTCs related to UICU blank status.

13.13.1 EMS and IMMO ID’s

Checks EMS and IMMO IDs for mismatch with UICU.

13.13.2 Diagnostic Procedure

Procedure for diagnosing UICU blank related DTCs.

13.14 B2 F50-00 - SK Not Programmed;Invalid

Information on DTC B2F50-00, causes, and reactions.

13.14.1 EMS and IMMO ID

Checks EMS and IMMO IDs for SK programming.

13.14.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F50-00.

13.15 B2 F4 E-00 - TAG Feature Coding Not Done

Details DTC B2F4E-00, causes, and reactions.

13.15.1 Feature Code

Explains the TAG feature code in UICU.

13.15.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F4E-00.

13.16 B2 FFE-00 - EMS Authentication Locked

Information on DTC B2FFE-00, causes, and reactions.

13.16.1 EMS ECU Unlocking

Procedure for unlocking the EMS ECU.

13.16.2 Diagnostic Procedure

Procedure for diagnosing DTC B2FFE-00.

13.17 B2 F4 D-00 - Antenna Coil Breakage

Details DTC B2F4D-00, causes, and reactions.

13.17.1 EMS and IMMO ID

Checks EMS and IMMO IDs for antenna coil issues.

13.17.2 Diagnostic Procedure

Procedure for diagnosing DTC B2F4D-00.

13.18 U2817-00 - IMMO Feature Code Error;Illumination Ring

Information on DTC U2817-00, causes, and reactions.

13.18.1 Immobilizer Ring

Explains the immobilizer ring and its function.

13.18.2 Diagnostic Procedure

Procedure for diagnosing DTC U2817-00.

13.19 U1517-00 - IMMO Variant Code Error

Details DTC U1517-00, causes, and reactions.

13.19.1 Variant Code

Explains the IMMO variant code written via i-FLASH.

13.19.2 Diagnostic Procedure

Procedure for diagnosing DTC U1517-00.

13.20 U1217-00 - IMMO Bus Off Error

Information on DTC U1217-00, causes, and reactions.

13.20.1 Bus Off

Explains IMMO BUS OFF errors.

13.20.2 Diagnostic Procedure

Procedure for diagnosing DTC U1217-00.

13.21 U1317-00 - VIN Mismatch in IMMO

Details DTC U1317-00, causes, and reactions.

13.21.1 VIN in EMS ECU and UICU

Checks VIN matching between EMS ECU and UICU.

13.21.2 Diagnostic Procedure

Procedure for diagnosing DTC U1317-00.

13.22 U1117-00 - No ICU Response;ICU Node Absent

Information on DTC U1117-00, causes, and reactions.

13.22.1 UICU Node Absent

Explains UICU node absent condition.

13.22.2 Diagnostic Procedure

Procedure for diagnosing DTC U1117-00.

EMS ECU Checking Procedure

14.1 EMS ECU Power Supply and Ground Wire Checking

Procedure for checking EMS ECU power and ground wires.

14.1.1 EMS ECU Circuit Schematic

Circuit diagram for EMS ECU power and ground checks.

14.1.1.1 Connector Location

Location of the EMS ECU connector.

14.1.1.2 Connector Views and Information

Details about EMS ECU connector pins and functions.

14.1.1.3 Diagnostic Procedure

Procedure for checking fuses related to EMS ECU.

UICU Checking Procedure

15.1 UICU Power Supply and Ground Wire Checking Procedure

Procedure for checking UICU power and ground wires.

15.1.1 UICU Circuit Schematic

Circuit diagram for UICU power and ground checks.

15.1.1.1 Connector Location

Location of the UICU connector.

15.1.1.2 Connector Views and Information

Details about UICU connector pins and functions.

15.1.1.3 Diagnostic Procedure

Procedure for checking fuses related to UICU.

CAN Circuit Checking

16.1 CAN Circuit Checking Procedure

Procedure for checking CAN circuits.

16.1.1 CAN Circuit Schematic

Schematic diagram of the CAN circuit.

16.1.1.1 Connector Location

Location of CAN circuit connectors (EMS ECU, Diagnostic).

16.1.1.1.2 Connector View and Information

Views and information for CAN circuit connectors.

16.1.1.3 Diagnostic Procedure

Procedure to check short circuit between CAN High and CAN Low.