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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P1B87
RAIL PRESSURE POSITIVE GOVERNOR DEVIATION ERROR IN METERING UNIT MODE
RAIL PRESSURE MONITORING
EMS ECU compares the rail pressure monitored through the rail pressure sensor against the expected
pressure generated due to HPP
DTC INFORMATION
PROBABLE CAUSES OF FAILURE
NORMAL OPERATION
Ignition ON
The ECU compares the rail pressure monitored through the rail
pressure sensor against the expected pressure generated due
to HPP ( Based on MPROP position and the engine RPM and
coolant temperature )
DTC DETECTING CONDITIONS
Ignition ON
EMS ECU supply voltage 8-16V
The positive governor deviation is more than the range
DTC REACTIONS
Torque limitation
Engine Check lamp continuously ON
HEALING CONDITION
Ignition Off/On
Leak on fuel lines
Defective fuel tank cap
Defective fuel filter
Fuel tank strainer choked
Injector struck in open
condition
M prop valve struck
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