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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STEP 1
Connect the smart tester
Turn the ignition ON
Initialise the diagnostic tool
Record the DTC and clear
Turn ignition OFF
Turn ignition ON
Verify if P0045 is present?
Is P0045 present?
Intermittent problem exists
Refer the intermittent problem
inspection procedure
STEP 2
Ignition OFF
Check and confirm the proper
function of 15A (F15) boost
pressure modulator fuse in
ECU fuse box
Boost pressure modulator
wiring harness connector (C67)
DISCONNECTED
Ignition ON
Check the voltage between
between pin 1 of boost
pressure modulator wiring
harness connector and battery
ground
Examine the open circuit of
boost pressure modulator
control wire
Replace the wiring harness
Clear the DTC and verify
Suspect boost pressure
modulator internal failure
Replace boost pressure
modulator with a new one.
Check and verify for any new
DTC’s
STEP 3
Ignition OFF
Boost pressure modulator
wiring harness connector (C67)
DISCONNECTED
EMS ECU wiring harness
connector (C4) DISCONNECTED
Check the continuity between
pin 1 of boost pressure
modulator wiring harness
connector and pin 92 of the EMS
ECU wiring harness connector
I
Is the continuity
exists?
Is the value =Vbat?
Examine the open/short to
ground of boost pressure
modulator power supply wire
from main relay
Replace the wiring harness
Check and verify for any new
DTC’s
NO
YES
NO
YES
NO
YES
P 0045
215