Mahindra Quanto Manuel utilisateur

EMS DIAGNOSTIC MANUAL

MAN-00201

www.teknetmahindra.com

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.

RELEASED BY –

TECHNICAL PUBLICATION CELL

MAHINDRA & MAHINDRA LTD.

Rev1 – SEPTEMBER 2012

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

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.,

CONTENTS

HOWTOUSETHISMANUAL 3

OVER VIEW OF THE CAN NETWORK 3

EMSOVERVIEW 4

WARRANTY & OTHER INFORMATION 5

RECOMMENDED TROUBLE SHOOTING PROCESS 5

EMSECUPINDETAILS 6

EMS ECU CIRCUITS 8

IQA/IMA CODE PROGRAMMING 12

EMS ECU FLASHING 13

INDEX OF DTC CODES 18

DTC BASED TROUBLESHOOTING 22

SYMPTOM BASED DIAGNOSIS- WITH NO DTC CODES 329

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

HOW TO USE THIS MANUAL

If the DTC code is known, then go to the Index of DTC code, and click on the group under which the

DTC appears. The codes/groups are hyperlinked to the respective trouble shooting chart/pages.

The following is the structure of the EMS Diagnostic Manual –

DTC and its description

Component location in the vehicle

Normal operation of the system

DTC detecting conditions

Probable causes

Lamp status

DTC reaction on vehicle

Healing Condition

Connector layout

Circuit Schematic

Connector views and information

Diagnostic tree

Always use the diagnostic manual along with the vehicle’s wiring manual (MAN-00200 ).

OVER VIEW OF THE CAN NETWORK

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

EMS OVERVIEW

The EMS ECU uses the following sensors and actuators to govern all engine parameters for optimized

engine performance

Sensors/Switches

Hot Film Air Mass Flow Sensor

Engine Coolant Temperature Sensor

Ambient Air Pressure Sensor

Camshaft Position Sensor

Crankshaft Speed Sensor

Fuel Temperature Sensor

Boost Pressure Sensor

Rail Pressure Sensor

Accelerator Pedal Module

Vehicle Speed Sensor

Brake Switch

Clutch Sensor

Gear neutral Switch

Actuators

EGR Actuator

Injectors

Fuel Metering Unit

Turbo charger actuator

A/C Compressor

Boost Pressure Actuator

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

WARRANTY & OTHER INFORMATION

All failures/complaints encountered on EMS ECU and other system components should be reported

through Service Complaint Report (SCR).Replacement of any of the EMS ECU and other system

components requires approval of the TEKline. Ensure that a TAR is raised# in the TEKnet website for

approval, attaching the SCR. While raising a warranty claim, the TAR no should be quoted on the warranty

claim.

# Only a trained and certified CoTEK can raise a TAR (in TEKnet website)

RECOMMENDED TROUBLE SHOOTINGPROCESS

Customer complaint Record/Understand Customer Verbatim

What happened?

When it happened?

What was the event before that?

Does it happen all the time?

Does it happen only in some condition?

Search for Published quick solution in TEKne

Follow DTC based diagnosis

Contact TEKliner with TAR

(Technical Assistance Request)

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

EMS ECU PIN DETAILS

ECU

Connector

Pin no

Function Connected To Pin no

1 GROUND GROUND G4

2 GROUND GROUND G4

3 POWER HIGH SIDE INJECTOR 1 - INJECTOR 4 1

4 POWER MAIN RELAY 87

5 POWER HIGH SIDE INJECTOR 2 – INJECTOR 3 1

6 POWER MAIN RELAY 87

7 POWER LOW SIDE INJECTOR 4 2

10 POWER CLUTCH SENSOR 1

11 GROUND COOLANT TEMPERATURE SENSOR

12 SIGNAL FUEL TEMP SENSOR 1

16 POWER VEHICLE SPEED SENSOR 1

18 POWER ACCELERATOR PEDAL MODULE 1 2

20 SIGNAL AC PRESSURE SWITCH 4

22 SIGNAL VEHICLE SPEED SENSOR 3

23 SIGNAL CLUTCH SENSOR 10% Signal 2

24 SIGNAL REDUNDANT BRAKE SWITCH

25 SIGNAL WATER IN FUEL SENSOR 2

29 POWER LOW SIDE INJECTOR 3 2

30 GROUND CRANKSHAFT SENSOR 3

31 SIGNAL HFM SENSOR 5

32 POWER RAIL PRESSURE SENSOR 3

33 SIGNAL COOLANT TEMPERATURE SENSOR

34 GROUND FUEL TEMPERATURE SENSOR 2

35 POWER BOOST PRESSURE SENSOR 1

40 POWER ACCELERATOR PEDAL MODULE 2 1

41 SIGNAL CLUTCH SENSOR 90% Signal 4

42 SIGNAL T50 SWITCH INPUT T50

44 GROUND CAM SHAFT SENSOR 1

45 POWER CAM SHAFT SENSOR 3

46 SIGNAL CAM SHAFT SENSOR 2

49 GROUND EGR ACTUATOR 1

50 SIGNAL MAIN RELAY 85

51 POWER LOW SIDE INJECTOR 2 2

52 SIGNAL (Positive) CRANK SHAFT SENSOR 1

53 GROUND HFM SENSOR 1

54 SIGNAL RAIL PRESSURE SENSOR 2

55 GROUND VEHICLE SPEED SENSOR 2

56 SIGNAL BOOST PRESSURE SENSOR 3

DIAGNOSTIC MANUAL MAN-00201

QUANTO EMS SEP 2012/Rev 1

ECU

Connector

Pin no

Function Connected To Pin no

59 SIGNAL CLOCK SPRING 8-CHANNEL (CRUISE

CONTROL) F

60 SIGNAL ACCELERATOR PEDAL MODULE 2 6

61 SIGNAL ACCELERATOR PEDAL MODULE 1 4

65 CAN LOW DLC CONNECTOR 2

66 CAN HIGH DLC CONNECTOR 3

67 SIGNAL STARTER RELAY 85

71 SIGNAL T15 INPUT T15

73 POWER LOW SIDE INJECTOR 1 2

74 SIGNAL (Negative) CRANK SHAFT SENSOR 2

75 SIGNAL HFM SENSOR (Air Flow Ref signal) 2

76 GROUND RAIL PRESSURE SENSOR 1

77 SIGNAL HFM SENSOR (Air Temp Signal) 4

78 GROUND BOOST PRESSURE SENSOR 2

80 SIGNAL BRAKE MAIN SWITCH 2

81 GROUND CLOCK SPRING G

82 GROUND ACCELERATOR PEDAL MODULE 2 5

83 GROUND ACCELERATOR PEDAL MODULE 1 3

89 GROUND HIGH PRESSURE PUMP 1

91 GROUND AC COMP RELAY 1

92 GROUND BOOST PRESSURE ACTUATOR 1

59 SIGNAL CLOCK SPRING 8-CHANNEL (CRUISE

CONTROL) F

60 SIGNAL ACCELERATOR PEDAL MODULE 2 6

61 SIGNAL ACCELERATOR PEDAL MODULE 1 4

65 CAN LOW DLC 2

66 CAN HIGH DLC 3

67 SIGNAL STARTER RELAY 85

DIAGN0STIC MANUAL

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 amount to unauthorized use and shall be liable for penalty/prosecution© 2012

Mahindra & Mahindra Ltd.

MAN-00201

SEP 2012/Rev1

QUANTO

C59

ENGINE MANAGEMENT SYSTEM - 1

APPLICABLE MODELS:C2/C4/C6/C8

DIAGN0STIC MANUAL

Mahindra & Mahindra Ltd.

MAN-00201

SEP 2012/Rev1

QUANTO

APP1 APP2

CAM SHAFT

POSITION

ENGINE MANAGEMENT SYSTEM -2

APPLICABLE MODELS:C2/C4/ C6/C8

DIAGN0STIC MANUAL

Mahindra & Mahindra Ltd.

MAN-00201

SEP 2012/Rev1

QUANTO

LC4

EMS K-ECU

LC66

FUEL

TEMPERATURE

SENSOR

LC43

COOLANT

TEMPERATURE

SENSOR

33 11

16 55

LC201

VEHICLE SPEED

SENSOR

74 52

LC37

INCREMENT

SPEED

SENSOR

LC178

IMMOBILIZER

65 66

LC33

RAIL

PRESSURE

SENSOR

32 54 76

78 56

LC339

BOOST

PRESSURE

SENSOR

W 0.5 G 0.5 W-R 0.5 G-R 0.5 R 0.5 B-W 0.5 Y-B 0.5

BR 0.5 Y 0.5

Y 0.5

G 0.5

Y 0.5

G 0.5

O 0.5

R 0.5O-B 0.5

Y-R 0.5

B-Y 0.5

Y-B 0.5

C59

18 1

EMS K-ECU

CAN LOW CAN HIGH

C178

C33

C339

C66 C43 C201 C37

GND SIG

5V SIG GND

SIG SIG

5V GND SIG

SIG GND

+VE

-VE

APPLICABLE MODELS:C2/C4/C6/C8

ENGINE MANAGEMENT SYSTEM - 3

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