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Home >> Subaru >> 2021 >> WRX 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

Code Description & trouble position 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. Perform the clear memory for «Keyless Access with Push Button Start» using the Subaru Select Monitor. Refer to KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS)>CLEAR MEMORY .
  3. Read the DTC of «Keyless Access with Push Button Start» using Subaru Select Monitor and check that the DTC is not displayed. Refer to KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (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.