Mahindra Scorpio Lx - User Manual

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DIAGNOSTICMANUAL(IMMOBILIZER)
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RELEASED BY -
TECHNICAL PUBLICATION CELL
MAHINDRA & MAHINDRA LTD.
Rev1 – MARCH 2009
All information contained in this manual is most up-to-date at the time of publication. However, specifications and procedures
are subject to change without notice. This manual is strictly meant for restricted internal circulation within M&M Authorized
dealer service centers.
MAN-00056
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Vlx/Sle/Lx
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Mahindra Scorpio Lx Specifications

General

Brand	Mahindra
Model	Scorpio Lx
Category	Automobile
Language	English

Summary

How to Use this Manual

Overview of the In-Vehicle Communication Network

Recommended Troubleshooting Process

Warranty and Other Information

Key Assignment Guideline

Key Assignment Process

Details the step-by-step procedure for key assignment using TPK and ASC codes.

EMS ECU Replacement

Immobilizer ECU (ICU) Replacement

Outlines the procedure for replacing the Immobilizer Control Unit (ICU).

Simultaneous ECU Replacement

Describes replacing both EMS and Immobilizer ECUs when keys are available.

List of Unavailable Services

Index of DTC Codes

DTC 90 A0: Key is rejected by the Immobilizer ECU

Explains the cause and corrective actions for DTC 90A0.

DTC 90 A1: Invalid Transponder password is found

Details the cause and corrective actions for DTC 90A1.

DTC 90 A2: No response from EMS ECU

Explains the cause and corrective actions for DTC 90A2.

DTC 90 A3: No EMS ACK after signature mismatch

Outlines the cause and corrective actions for DTC 90A3.

DTC 90 A4: Mismatch in checksum 1

Describes the cause and corrective actions for DTC 90A4.

DTC 90 A5: Mismatch in Checksum 2

Explains the cause and corrective actions for DTC 90A5.

DTC 90 A6: Mismatch in Checksum 3

Details the cause and corrective actions for DTC 90A6.