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Home >> Toyota >> 2011 >> Land Cruiser >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System (Diagnostic Codes & Circuit Tests) >> Automatic Transmission System >> DTC P2742: Transmission Fluid Temperature Sensor "B" Circuit Low Input; DTC P2743: Transmission Fluid Temperature Sensor "B" Circuit High Input >> Typical Enabling Conditions
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Typical Enabling Conditions

ALL

Battery voltage 8 V or higher
Engine switch On (IG)
Starter OFF
P2742: RANGE CHECK (CHATTERING, LOW VOLTAGE)

The monitor will run whenever the following DTCs are not stored None
P2743: RANGE CHECK (HIGH VOLTAGE)

One of the following conditions is met: Condition (A) or (B)
CONDITION (A)

Engine coolant temperature or intake air temperature at engine start -29.375°C (-20.875°C) or less
Time after engine start 15 minutes or more
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
IAT sensor circuit fail (P0097, P0098, P0110, P0112, P0113) Not detected
CONDITION (B)

Engine coolant temperature and intake air temperature at engine start More than -29.375°C (-20.875°C)
Time after engine start 10 seconds or more
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
IAT sensor circuit fail (P0097, P0098, P0110, P0112, P0113) Not detected