Mahindra XUV 500 Diagnostic Manual page 57

DIAGNOSTIC MANUAL
STEP 5
Ignition OFF
Coolant temperature sensor
wiring harness connector
DISCONNECTED
Check the resistance between
pin 1 and pin 2 of the coolant
temperature sensor
Suspect EMS ECU malfunction
Replace EMS ECU with a new
one.
Check and verify for any new
DTC's
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
Ignition OFF
Coolant temperature sensor
wiring harness connector
DISCONNECTED
EMS ECU wiring harness
connector DISCONNECTED
Check the resistance between
pin 11 EMS ECU wiring harness
connector and pin 2 of the of
the coolant temperature sensor
wiring harness connector
YES Is the value < 1Ω?
Is the value >2.2
YES
<2.7 KΩ at 20°C?
STEP 4
MAN-00152
OCT 2011/Rev 1
NO
Examine the open circuit of
coolant temperature sensor
ground wire
Repair/replace the wiring
harness
Clear the DTC and verify
NO
Suspect open circuit in coolant
temperature sensor
Replace the sensor with a new
one
Clear the DTC and verify
56