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

Dtc u0100 lost communication with ecm/pcm "a"

NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB)• Detect malfunction of CAN communication.• ...

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:

Electrical component location location
(1)Headlight ASSY– Headlight beam leveler actuator(4)Headlight relay Hi LH(7)Auto headlight beam leveler CM(2)Rear vehicle height sensor(5)Headlight relay Hi RH(8)Body integrated unit(3)Headlight relay Lo(6)Fuse 7.5A (auto headlight beam leveler CM)(9)Data link connector ...