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.
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P0270 - High side - Low side short circuit for cylinder 4 injector
INJECTORS
The injectors are solenoid actuated and controlled by EMS ECU. The EMS ECU measures the voltage drop
through fixed resistors and controls it.
COMPONENT LOCATION
NORMAL
OPERATION
The PWM control signal of the injector is monitored and is within the range
DTC DETECTING
CONDITION
A short between injector 4 low side and high side detected
PROBABLE
CAUSES
Short in injector 4 circuit
Faulty Injector 4
Faulty EMS ECU
LAMP STATUS
OBD lamp ON
DTC REACTION
Injection in cylinder 4 will not happen
HEALING
CONDITION
Ignition OFF/ON