DIAGNOSTIC MANUAL MAN-00201
QUANTO
EMS
SEP 2012/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
© 2012 Mahindra & Mahindra Ltd.
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P0003
METERING UNIT OUTPUT SHORT CIRCUIT TO GROUND ERROR
METERING UNIT
The component driver for the metering unit regulates the opening and closing of the metering unit based
on the rail pressure set point and the actual value. Metering unit controls the fuel flow to the high
pressure pump
DTC INFORMATION
PROBABLE CAUSES OF FAILURE
NORMAL OPERATION
Ignition ON
No malfunction detected by EMS ECU in the metering unit
circuit.
DTC DETECTING CONDITIONS
Ignition ON
EMS ECU supply voltage 8-16V
Short to ground is detected in metering unit control circuit
DTC REACTIONS
OBD check lamp continuously ON.
Engine Shuts OFF
HEALING CONDITION
Ignition Off/On
Short to ground in
metering unit control wire
Faulty metering unit
Faulty EMS ECU
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