Mahindra SCORPIO Vlx 2007 Diagnostic Manual
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Mahindra SCORPIO Vlx 2007 Diagnostic Manual

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DIAGNOSTIC MANUAL - ABS
CONFIDENTIAL
ONLY FOR INTERNAL CIRCULATION WITHIN
•
M&M AUTHORISED DEALERS & SERVICE CENTRES
PASSING ON TO THRID PARTY IS NOT PERMITTED
•
•
ALWAYS CHECK FOR THE LATEST VERSION
The reproduction, translation, transmission, in part of whole of the present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
SCORPIO
Revision 1
MAN-
922BRKR011107EN-DM
Vlx
00030
RELEASED BY :
TECHNICAL PUBLICATION CELL
MAHINDRA & MAHINDRA LTD
Rev 1 – NOVEMBER 2007
© 2007 Mahindra & Mahindra Ltd

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Summary of Contents for Mahindra SCORPIO Vlx 2007

  • Page 1 ALWAYS CHECK FOR THE LATEST VERSION MAHINDRA & MAHINDRA LTD Rev 1 – NOVEMBER 2007 © 2007 Mahindra & Mahindra Ltd The reproduction, translation, transmission, in part of whole of the present document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd.
  • Page 2 MAN-00030 922BRKR011107EN-DM TABLE OF CONTENTS INDEX OF COMMONLY USED TERMS INDEX OF DTC CODES WIRING DIAGRAM DTC BASED DIAGNOSTICS...
  • Page 3 (Use the print command in All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 3 of 62...
  • Page 4 50 Km/hr when doing the panic braking to check ABS performance. ISO : Isolation valve DUMP : Dump valve All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 4 of 62...

  • Page 5: Temperature

    Valve Solenoid-ISO Rear- Over temperature 26-27 1825 Valve Solenoid - Dump Front Left - Over 26-27 All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 5 of 62...

  • Page 6: Table Of Contents

    56-57 Communication Missing Transfer Case 1842 58-59 Status 1843 Communication General K-Line Fault 60-61 All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 6 of 62...
  • Page 7 MAN-00030 922BRKR011107EN-DM Automotive Sector Circuit Diagram – All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 7 of 62...
  • Page 8 Circuit Board in the ECU. • Electrical Pins bent of ECU or WSS Malfunction: WSS output signals out-of-range All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 8 of 62...
  • Page 9 After replacement of the required component, connect the wiring harness to Sensor & EHCU. Switch on the Ignition & confirm if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 9 of 62...
  • Page 10 Circuit Board in the ECU. • Electrical Pins bent of ECU or WSS Malfunction: WSS output signals out-of-range All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 10 of 62...
  • Page 11 After replacement of the required component, connect the wheel harness to Sensor & EHCU. Switch on the Ignition & confirm if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 11 of 62...
  • Page 12 • Excessive run-out at vehicle level on Malfunction: toner ring teeth WSS output signals out-of-range All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 12 of 62...
  • Page 13 If complaint re-occurs then only replace the affected toner wheel assembly. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 13 of 62...
  • Page 14 • Excessive run-out at vehicle level on Malfunction: toner ring teeth WSS output signals out-of-range All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 14 of 62...
  • Page 15 If complaint re-occurs then only replace the affected toner wheel assembly. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 15 of 62...
  • Page 16 • Wheel speed sensor not mounted correctly. Malfunction: WSS output signals out-of-range All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 16 of 62...
  • Page 17 Rear Toner wheel assembly Part # - Refer Table A) Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 17 of 62...
  • Page 18 Malfunction: High variation in wheel speed All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 18 of 62...
  • Page 19 Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 19 of 62...
  • Page 20 Dump valve Front Right Solenoid -Driver Shorted Dump valve Rear Solenoid 181B -Driver Shorted All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 20 of 62...
  • Page 21 Connect the wheel harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 21 of 62...
  • Page 22 Short Parking Brake Lamp : ON ABS Status : Inactive DRP Status : Inactive All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 22 of 62...
  • Page 23 Connect the wheel harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 23 of 62...

  • Page 24: Valve Solenoid - Dump Rear - Over

    Over Temperature Parking Brake Lamp : ON ABS Status : Inactive DRP Status : Inactive All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 24 of 62...
  • Page 25 If not healed then replace the HCU. (HCU Assembly Part # - Refer Table A) All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 25 of 62...

  • Page 26: Temperature

    ABS & DRP or printed circuit board in the functionality ECU. Malfunction: ECU malfunction All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 26 of 62...
  • Page 27 Connect the wheel harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 27 of 62...

  • Page 28: 1829 Power Switch - Shorted

    ABS & DRP or printed circuit board in the functionality ECU. Malfunction: ECU malfunction All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 28 of 62...
  • Page 29 Connect the wheel harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 29 of 62...

  • Page 30: 182A Abs Motor - Open

    & should be stationary. Malfunction: Motor malfunction All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 30 of 62...
  • Page 31 Switch on the Ignition & check if the error is healed. off the ignition & replace the All copyrights reserved by Scorpio Diagnostic Guide - ABS ECU assembly with old ECU. Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 31 of 62...

  • Page 32: 182B Abs Motor - Locked

    – EMF across the rotor winding of the coasting motor. Malfunction: Motor malfunction All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 32 of 62...
  • Page 33 Switch on the Ignition & check if the error is healed. off the ignition & replace the All copyrights reserved by Scorpio Diagnostic Guide - ABS ECU assembly with old ECU. Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 33 of 62...

  • Page 34: 182C Abs Motor - Open Fuse

    ABS & DRP • Faulty Wheel Harness functionality Malfunction: Motor malfunction All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 34 of 62...
  • Page 35 (ABS Chassis Wiring Harness Part # - Refer Table A) Switch on Ignition & check if error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 35 of 62...

  • Page 36: Microprocessor Rom Failure

    Effective ABS / DRP operation. (No • Defective Microprocessor wheel lock) Malfunction: Defective microprocessor All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 36 of 62...
  • Page 37 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 37 of 62...

  • Page 38: Base Brake Fluid Sensor - Open

    • Disconnected sensor • Faulty wiring harness • Faulty sensor Malfunction: Brake fluid unavailable All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 38 of 62...
  • Page 39 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 39 of 62...

  • Page 40: 1833 Ignition Voltage Supply Low

    This fault is set if the Ignition Voltage Supply is less than 10V for 100 msec. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 40 of 62...
  • Page 41 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 41 of 62...

  • Page 42: 1834 Ignition Voltage Supply High

    This fault is set if the Ignition Voltage is greater than 16V for 100 msec. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 42 of 62...
  • Page 43 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 43 of 62...

  • Page 44: 1835 Ignition Voltage Supply - Excessive High

    This fault is set if the Ignition Voltage is greater than 19.5V for 15 msec. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 44 of 62...
  • Page 45 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 45 of 62...

  • Page 46: Microprocessor Unimplemented Interrupt

    Parking Brake Lamp : OFF ABS Status : Fully Active DRP Status : Fully Active All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 46 of 62...
  • Page 47 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 47 of 62...

  • Page 48: 183C Brake Pedal Switch Failed - Never Active

    • Defective wiring Harness • Defective Printed Circuit Board or Microprocessor in ECU. Malfunction: Defective signal All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 48 of 62...
  • Page 49 Connect the wiring Harness Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 49 of 62...

  • Page 50: 183E Tooth Count Failure (Out Of Range)

    ABS & DRP functionality ( No wheel • Tooth Count not programmed. lock) Malfunction: Defective signal All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 50 of 62...
  • Page 51 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 51 of 62...

  • Page 52: 183F Tyre Size Failure ( Mismatch/ Out Of Range)

    ABS & DRP functionality ( No wheel • Tyre Size not programmed. lock) Malfunction: Defective signal All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 52 of 62...
  • Page 53 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 53 of 62...

  • Page 54: 1840 Emission Rollers Mode Active

    This Message appears when EOL (End of • Incorrect communication bus Line) test is running. message Malfunction: All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 54 of 62...
  • Page 55 922BRKR011107EN-DM Automotive Sector Trouble Shooting – This Message appears when EOL test is running. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 55 of 62...

  • Page 56: 1841 Invalid Drive-Train Configuration

    2WD & the ECU receives a transfer case mode message via comms. Malfunction: Defective signal All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 56 of 62...
  • Page 57 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 57 of 62...

  • Page 58: Status

    2WD & the ECU receives a transfer case mode message via comms Malfunction: Defective signal All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 58 of 62...
  • Page 59 Switch on the Ignition & check again. & see if error is healed. if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 59 of 62...

  • Page 60: 1843 Communication General K-Line Fault

    • Bad K – Line cable. • Bad K – Line peripheral on the Microprocessor in the ECU Malfunction: All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 60 of 62...
  • Page 61 Connect the wiring harness. Switch on the Ignition & check if the error is healed. All copyrights reserved by Scorpio Diagnostic Guide - ABS Mahindra & Mahindra Ltd Confidential- For Internal Circulation Only Ver 1 Nov 07 Page 61 of 62...

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