DIAGNOSTIC MANUAL
P1716
GNS RELAY
GNS relay along with starter relay runs the starter motor.The GNS relay is controlled by EMS ECU.
GNS relay energises in ignition key start or clutch pedal start if
1. Gear is sensed in neutral (or)
2. Clutch pedal is fully pressed (90% switch input)
NORMAL OPERATION
Ignition ON
Both GNS relay and starter relay energizes when start
request is given by EMS ECU
DTC DETECTING CONDITIONS
Ignition ON
EMS ECU supply voltage 8‐16V
GNS relay contacts sticky i.e GNS relay input to starter relay
without start request
DTC REACTIONS
Intermittently Engine will not start
HEALING CONDITION
Ignition Off/On
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© 2013 Mahindra & Mahindra Ltd.
EMS
GNS RELAY PLAUSIBLE ERROR
DTC INFORMATION
MAN-00226
MAY 2013/Rev 1
PROBABLE CAUSES OF FAILURE
GNS relay to starter relay
supply wire short to battery
Sticky GNS relay
215