Diagnostic Manual MAN-00183
MAXXIMO MINIVAN VX June 2012/Rev 1
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Mahindra Ltd.
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COOLANT TEMPERATURE SENSOR ABSOLUTE & DYNAMIC TEST
DESCRIPTION
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 slope.
NORMAL OPERATION
The Engine coolant temperature raises to a specified temperature within a specified time period.
The ECU compares the rate of raise of the temperature with the a predefined rate of rise
DTC Detecting Condition Probable Causes
The coolant temperature does not raise to the specific
temperature within the specific time
Faulty Coolant temperature
Sensors
Thermostat stuck in open
condition
Thermostat removed from the
vehicle
Coolant fan continuously
ON
LAMP STATUS
Engine check lamp OFF
Sl No DTC Description
1 P-2558
Minimum Temperature not reached within time limit
2 P-1126 Minimum temperature or temperature raise no reached within
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