Operation CHARM: Car repair manuals for everyone.

Non-Trouble Code Procedures

COMMUNICATION LINE CHECK

NOTE: The communication line between ECM and body integrated unit can be checked in "System Operation Check Mode". This is referred to as Communication line check.

1. Connect the Subaru Select Monitor.
2. On the [[Main Menu]] display screen, select the {Each System Check} and press the [YES] key.
3. On the [[System Selection Menu]] display screen, select the {Engine} and press the [YES] key.
4. Press the [YES] key after the information of engine type is displayed.
5. On the [[Engine Diagnosis]] display screen, select the {System Operation Check Mode} and press the [YES] key.
6. On the [[System operation check mode]] display, select the {security system}.
7. Start the communication line check.
8. Is [[OK]] displayed on screen? If displayed, go to step 9). If [[NO]], go to step 10).
9. After diagnostic results, it is determined that the circuit is not shorted. Finish the communication line check.10) If a problem is detected, repair the trouble cause.