DIAGNOSTIC MANUAL
MAN-00152
EMS
OCT 2011/Rev 1
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
© 2011 Mahindra & Mahindra Ltd.
7
EMS ECU PIN DETAILS
ECU
Connector
Pin no
Function
Connected To
Pin no
1 GROUND
GROUND
G3
2 GROUND
GROUND
G3
3
POWER HIGH SIDE
INJECTOR 1 - INJECTOR 4
1
4 POWER
MAIN
RELAY
87
6 POWER
MAIN
RELAY
87
6
POWER HIGH SIDE
INJECTOR 3 - INJECTOR 2
1
7
POWER LOW SIDE
INJECTOR 4
2
10 POWER
CLUTCH
SENSOR
4
11 GROUND
COOLANT
TEMPERATURE
SENSOR
2
12 SIGNAL
FUEL
TEMPERATURE SENSOR
1
18 POWER
ACCELERATOR
PEDAL(APP1)
2
19
OIL PRESSURE SWITCH
OIL PRESSURE SWITCH
1
20 SIGNAL-HIGH/LOW TRIPPLE
PRESSURE
SWITCH
2
22
SIGNAL
VEHICLE SPEED SENSOR
3
23
85% SIGNAL
CLUTCH SENSOR
1
23 POWER
GEAR
NEUTRAL
SENSOR
1
24 REDUNDANT
SIGNAL BRAKE
SWITCH
4
25 SIGNAL-MIDDLE
TRIPPLE
PRESSURE
SWITCH
3
29
POWER LOW SIDE
INJECTOR 3
2
30
SHIELD
CRANK SHAFT SPEED SENSOR
3
31
SIGNAL(AIR MASS)
HOT FILM AIR MASS SENSOR
5
32
POWER
RAIL PRESSURE SENSOR
3
33 SIGNAL
COOLANT
TEMPERATURE
SENSOR
1
34 GROUND
FUEL
TEMPERATURE SENSOR
2
35
POWER
BOOST PRESSURE SENSOR
3
40 POWER
ACCELERATOR
PEDAL(APP2)
1
41
15% SIGNAL
CLUTCH SENSOR
2
41 SIGNAL
GEAR
NEUTRAL
SENSOR
2
43 SIGNAL
REVERSE
SWITCH
2
44
GROUND
CAM SHAFT POSITION SENSOR
1
45
POWER
CAM SHAFT POSITION SENSOR
3
46
SIGNAL
CAM SHAFT POSITION SENSOR
2
49
SIGNAL
EXHAUST GAS RECIRCULATION ACTUATOR
2
50 SIGNAL
MAIN
RELAY
86
51
POWER LOW SIDE
INJECTOR 2
2
52
SIGNAL (+)
CRANK SHAFT SPEED SENSOR
1
53
GROUND
HOT FILM AIR MASS SENSOR
1
54
SIGNAL
RAIL PRESSURE SENSOR
2