Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Basic Diagnostic Procedure

Basic Diagnostic Procedure

PROCEDURE

CAUTION:
- Subaru Select Monitor is required for reading DTC, performing diagnosis, reading current data, customizing and active test (compulsory drive).
- Remove foreign matter (dust, water, oil, etc.) from each control module connector during removal and installation.
- For model with immobilizer or model with keyless access, registration of immobilizer may be needed after the replacement of controller etc. For details, refer to the "PC application help for Subaru Select Monitor".


NOTE:
- To check harness for open or short circuits, shake the suspected trouble spot or connector.
- Check List for Interview. Check List For Interview

Step 1-5: