Coolant Temperature Sensor: Absolute & Dynamic Test - Mahindra Quanto Ems Diagnostic Manual

DIAGNOSTIC MANUAL
QUANTO
P1128
P1126
COOLANT TEMPERATURE SENSOR: ABSOLUTE & DYNAMIC TEST
When the engine is switched ON then the ECU detects the temperature. After that when the engine runs
then the temperature output on a time frame is detected and compared against predetermined values.
NORMAL OPERATION

Engine running

The coolant temperature rises to a specified temperature
within a specific time period.

The coolant temperature rises to a specified temperature
within a specific time period - Absolute test

The coolant temperature rises to a minimum temperature
within a specific time period - Dynamic test
DTC DETECTING CONDITIONS

Engine running

EMS ECU supply voltage 8-16 V

The coolant temperature do not rise enough within a specific
time period,

The coolant temperature do not reach a warmed-up fuel
control temperature within a specific time period
DTC REACTIONS

Engine Check lamp will be continuously ON

EMS ECU switches OFF
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© 2012 Mahindra & Mahindra Ltd.
EMS
COOLANT TEMPERATURE SENSOR ABSOLUTE TEST NON PLAUSIBLE ERROR
COOLANT TEMPERATURE SENSOR DYNAMIC TEST NON PLAUSIBLE ERROR
DTC INFORMATION
MAN-00201
SEP 2012/Rev 1
PROBABLE CAUSES OF FAILURE

Defective temperature
sensor.

Thermostat stuck in open
condition

Thermostat removed.
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