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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P1632 -
ECU Monitoring: ZFC non plausibility error
NORMAL
OPERATION
The maximum plausible energising time of the ZFC results, depending on the
rail pressure of level is compared with a curve, while the minimum energizing
time is also compared with a curve
DTC DETECTING
CONDITION
If the actual value is beyond the curves then this error is set
PROBABLE
CAUSES
Injector worn/ stuck
Faulty EMS ECU
LAMP STATUS
No lamp indication
HEALING
CONDITION
Ignition OFF/ON
Corrective Action
-
1. Check for injector stuck or worn ( thru fuel leak off test)
2. Using diagnostic tester clear the DTC.
3. Turn ignition OFF/ON
4. Check for the DTC . If the DTC still exists , repeat the steps 1 and 2 for 3 times
5. If DTC still exists replace the EMS ECU with a new one
