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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P0405 - EGR Valve short to ground error
EGR
A pulse-width-modulated signal is output for the Exhaust Gas Recirculation actuator control. Converting
the air control output into duty cycle carries this out
COMPONENT LOCATION
NORMAL
OPERATION
Engine runs as per the EGR mapping and no errors detected during self check
on Ignition ON
DTC DETECTING
CONDITION
Short to ground in detected by the EMS ECU
PROBABLE
CAUSES
Short to ground in EGR circuit
Faulty EGR actuator
LAMP STATUS
OBD lamp ON
DTC REACTION
EGR switches OFF
HEALING
CONDITION
Ignition OFF/ON