Mahindra XUV 500 Diagnostic Manual page 322

DIAGNOSTIC MANUAL
CONTINOUS TORQUE MONITORING
P1631 - ECU Monitoring: Start of Injection plausibility error
NORMAL
OPERATION

DTC DETECTING

CONDITION
PROBABLE

CAUSES

LAMP STATUS


DTC REACTION

HEALING
CONDITION
Corrective Action -
1. Check and rectify if any EMI interference in signal from the Engine sensor ( possible cause can be
starter motor cable or starter motor taking extra load )
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
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 start of the energizing time is monitored
If the start of the energizing time is outside the plausible valid range then this
error is registered
EMI interference in the signal from the Engine speed sensor ( look at the starter
motor cable & starter motor condition.)
Faulty EMS ECU
No lamp indication
Engine shuts off
Ignition OFF/ON
MAN-00152
OCT 2011/Rev 1
321