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Mahindra XUV 500 Diagnostic Manual page 293

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DIAGNOSTIC MANUAL
P1B88 -
Rail pressure negative governor deviation error in Metering Unit mode
NORMAL
OPERATION
DTC DETECTING
CONDITION
PROBABLE
CAUSES
LAMP STATUS
DTC REACTION
HEALING
CONDITION
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.
EMS
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 )
The negative governor deviation is less than the range and the set point for
fuel flow thru metering unit is lesser than the limit
M prop valve struck
Zero delivery throttle clogged
Metering unit without power due to electrical error
System check lamp ON
Torque limitation
Ignition OFF/ON
MAN-00152
OCT 2011/Rev 1
292

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