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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode 3
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Inspection Mode 3

DTC Item Note
B2784 Antenna circuit (Push Engine Switch) -
B2790 ID Code Box circuit -
B27A1 Driver side external antenna open -
B27A2 Passenger side external antenna open -
B27A5 Front internal antenna open -
B27A6 Rear internal antenna open -
B27A7 Trunk/rear gate internal antenna open -
B27A8 Trunk/rear gate external antenna open -

Diagnostic procedure:

  1. Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
  2. Using the Subaru Select Monitor, perform the clear memory of [Keyless Access with Push Button Start]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
  3. Using the Subaru Select Monitor, read the DTC of [Keyless Access with Push Button Start] to check that there is no DTC displayed. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step 1).