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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0112, DTC P0113, DTC P0116, DTC P0117, DTC P0118, DTC P0125, DTC P1112, DTC P1116, DTC P1117, DTC P1285, DTC P1288, DTC P1289, DTC P1290 Or DTC P1299 >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0112 indicates Mass Airflow/Intake Air Temperature (MAF/IAT) sensor is less than self-test minimum of 0.2 volt or 250°F (121°C).

DTC P0113 indicates MAF/IAT sensor is more than the self-test maximum of 4.6 volts or -58°F (-50°C).

DTC P0117 indicates Engine Cooling Temperature (ECT) sensor is less than self-test minimum of 0.2 volt or 250°F (121°C).

DTC P0118 indicates ECT sensor is more than self-test maximum of 4.6 volts or -58°F (-50°C).

DTC P0125 indicates ECT sensor has not achieved the required temperature level to enter closed loop operating conditions within a specified amount of time after engine start.

DTC P1112 indicates MAF/IAT sensor signal was intermittent during Comprehensive Component Monitor.

DTC P1116 indicates ECT sensor signal is out of self-test range (0.3-3.7 volts).

DTC P1117 indicates ECT circuit was intermittently open or shorted while engine was running.

DTC P1285 indicates an engine overheat condition was sensed by Cylinder Head Temperature (CHT) sensor.

DTC P1288 indicates CHT sensor is out of self-test range (engine not at operating temperature).

DTC P1289 and P1290 indicates CHT sensor circuit malfunction (open or short).

DTC P1299 indicates an engine overheat condition was detected by CHT sensor and a Failure Mode Effects Management (FMEM) strategy (fail safe cooling) was activated to cool engine.

Engine must be at normal operating temperature to pass KOEO self-test and KOER self-test. Ambient temperature must be more than 50°F (10°C) to receive acceptable input from MAF/IAT sensor. MAF/IAT, ECT and CHT sensors are thermistor type (passive) sensors. PCM uses IAT input as a correction factor in calculation of fuel, spark and MAF. PCM also uses ECT and CHT sensors as inputs. On all sensors, resistance changes with temperature. Resistance decreases with temperature increase, and increases with temperature decrease.

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