Subaru Legacy BN/BS (2015-2019) Service Manual: Caution
1. Never connect the battery in reverse polarity. • Doing so may immediately damage the A/C CM. 2. Do not disconnect the battery terminals while the engine is running. • A large counter electromotive force will be generated in the generator, and this voltage may damage electronic parts such as A/C CM etc. 3. Before disconnecting the connectors of sensors and the A/C CM, be sure to turn off the ignition switch. • A/C CM may be damaged. 4. Every A/C-related part is a precision part. Do not drop them. 5. Airbag system wiring harness is routed near the A/C control panel and junction box. CAUTION: • Do not use electrical test equipment on the airbag system wiring harness and connector. • Be careful not to damage the airbag system wiring harness when servicing the A/C control panel and junction box. |
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 ...
Inspection
Before performing the diagnosis, check the following items which may cause problems in the A/C system.1. BATTERYCheck the battery. Battery > INSPECTION Battery > INSPECTIONNOTE:If the battery voltag ...
Other materials:
Basic diagnostic procedure procedure
STEPCHECKYESNO1.CHECK WARNING LIGHT.Check whether the airbag warning light in the combination meter is lit.Does the airbag warning light illuminate- Basic Diagnostic Procedure > PROCEDUREPerform the diagnosis according to phenomenon of the problem.2.READ DTC.1) Turn the ignition switch to OFF.2) Con ...
