Typical Enabling Conditions

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

ALL

Battery voltage	8 V or more
Ignition switch	ON
Starter	OFF

P0712: Range check (Low voltage)

The monitor will run whenever these DTCs are not present. None

P0713: Range check (High voltage)

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

CONDITION (A)

Engine coolant temperature (ECT) or intake air temperature (IAT) at engine start	-29.375°C (-20.875°F) or less
Time after engine start	446 seconds or more
ECT (Engine coolant temperature) sensor circuit fail (P0115, P0117, P0118)	Not detected
IAT (Intake air temperature) sensor circuit fail (P00AC, P00AD, P0110, P0112, P0113)	Not detected

CONDITION (B)

Engine coolant temperature (ECT) or intake air temperature (IAT) at engine start	More than -29.375°C (-20.875°F)
Time after engine start	10 seconds or more
ECT (Engine coolant temperature) sensor circuit fail (P0115, P0117, P0118)	Not detected
IAT (Intake air temperature) sensor circuit fail (P00AC, P00AD, P0110, P0112, P0113)	Not detected