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 P2146 is present?
Is P2146 present?
Intermittent problem exists
Refer the intermittent problem
inspection procedure
STEP 2
STEP 3
Ignition OFF
Injector 1,2 and 3 wiring harness
connector (C27, C30 and C29)
DISCONNECTED
Check the continuity between
pin 2 of Injector 1 wiring harness
connector and battery ground
Check the continuity between
pin 2 of Injector 2 wiring harness
connector and battery ground
Check the continuity between
pin 2 of Injector 3 wiring harness
connector and battery ground
Is the continuity
exists?
Examine the short circuit of
injector low side wire/s to
ground
Replace the wiring harness
Clear the DTC and verify
Go to STEP 4
YES
NO
NO
YES
YES
NO
Ignition OFF
Injector 1,2 and 3 wiring harness
connector (C27, C30 and C29)
DISCONNECTED
Check the continuity between
pin 2 and pin1 of Injector 1
wiring harness connector
Check the continuity between
pin 2 and pin1 of Injector 2
wiring harness connector
Check the continuity between
pin 2 and pin1 of Injector 3
wiring harness connector
Is the continuity
exists?
Examine the short circuit of
injector low side and high side
wire/s
Replace the wiring harness
Clear the DTC and verify
P 2146
147