Signal Range Check For Hfm Temperature Sensor Below Minimum Limit - Mahindra Quanto Ems Diagnostic Manual

DIAGNOSTIC MANUAL
QUANTO
P0112

SIGNAL RANGE CHECK FOR HFM TEMPERATURE SENSOR BELOW MINIMUM LIMIT

AIR TEMPERATURE SENSOR
The HFM temperature sensor is a variable resistor whose resistance changes as the temperature of the air
flowing past the sensor changes.(NTC resistor) When the intake air temperature is low, the sensor
resistance is high; when the intake air temperature is high, the sensor resistance is low.
NORMAL OPERATION

Ignition ON

The measured output voltage value of the intake air
temperature sensor is within the specified range.
DTC DETECTING CONDITIONS

Ignition ON

EMS ECU supply voltage 8-16V

The measured output voltage of the intake air temperature
sensor is less than the minimum range
DTC REACTIONS

OBD check lamp continuously ON

Engine will run with default air temperature as 20°C
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
DTC INFORMATION
MAN-00201
SEP 2012/Rev 1
PROBABLE CAUSES OF FAILURE

Short HFM temperature
sensor wiring harness

Faulty HFM temperature
sensor

Faulty EMS ECU
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