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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer (Diagnostics) >> 5. Subaru Select Monitor >> A: Operation >> 3. Communication Line Check

3. 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 {Each System Check} and press the [YES] key.
  3. On the «System Selection Menu» display screen, select {Engine Control System} 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 not, 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. < Ref. to DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT)  , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
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