Communication Line Check
WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
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".
- Connect the Subaru Select Monitor.
- On the «Main Menu» display, select {Each System Check}.
- On the «System Selection Menu», select {Engine Control System}.
- After engine type information is displayed, select [OK].
- On the «Engine Diagnosis» display, select {System Operation Check Mode}.
- On the «System Operation Check Mode» display, select the {Immobilizer System}.
- Start the communication line check.
- Is «OK» displayed on screen?
If displayed, go to step 9.
If not, go to step 10).
- After diagnostic results, it is determined that the circuit is not shorted. Finish the communication line check.
- If a problem is detected, repair the trouble cause. Ref. to DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).