Subaru Legacy BN/BS (2015-2019) Service Manual: General description

Dtc b1431 in-vehicle (post evaporator) temperature sensor circuit short-circuit

DTC DETECTING CONDITION:In-vehicle sensor circuit is shorted.TROUBLE SYMPTOM:In-vehicle air temperature is falsely recognized as 25°C (77°F), and the compartment temperature is adjusted. ...

Preparation tool

1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...

Other materials:

To decrease the speed (by the "RES/SET" switch)
Press the "RES/SET" switch to the "SET" side and hold it until the vehicle reaches the desired speed. Then, release the switch. The vehicle speed at that moment will be memorized and treated as the new set speed. When setting the displayed unit as "MPH": The set speed can be decreased ...