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Inspection steps

  1. SSM3 data reading
    1. Using SSM3, display the [Current Data Display & Save] screen according to the screen instructions and check the data.
      SSM3 DISPLAY: [EACH SYSTEM CHECK] →[COMBINATION METER] →[CURRENT DATA DISPLAY & SAVE]

      Item Name [Symbol] Description/display range Normal value Remarks
      [Tail Cancel SW] [Tail Cancel SW] Tail cancel switch state
      Display range: OFF to ON      		 ON: Tail cancel switch ON
      OFF: Tail cancel switch OFF      		 If it is abnormal, the tail cancel switch may be faulty
      [Rheostat value] [Rheostat] Rheostat input value
      Display range: 0 to 255      		 Light control rheostat switch Dark (0) to Bright (255) If it is abnormal, the light control rheostat switch may be faulty

      Criteria: The normal value is displayed properly.

      NG: Go to Step 2.

      OK: Replacement of the combination meter ASSY (refer to REMOVAL  )

  2. Unit inspection of the light control rheostat
    1. Remove the light control rheostat. (Refer to REMOVAL  )
      Fig 1: Identifying Light Control Rheostat And Connectors
      G08557628Courtesy of SUBARU OF AMERICA, INC.

      Captions in illustration

    2. Operate the switch and measure the resistance between terminals.
      RESISTANCE

      Inspection terminals Inspection conditions Standard value
      1 - 4 Tail cancel switch OFF →ON 10 kΩ or more →Less than 1 Ω
      4 - 6 Always 4475 to 4946 Ωor more
      5 - 6 Light control rheostat upper fully open →Light control rheostat lower fully open 485 to 536 Ω→4380 to 4841 Ωor more

      NG: Replacement of the light control rheostat (Refer to REMOVAL  )

      OK: Go to Next Step

  3. Inspection of the wiring harness and connector (Combination meter ASSY - Light control rheostat)
    1. Disconnect connector D7 of the combination meter ASSY.
    2. Measure the resistance between the terminals.
      RESISTANCE

      Inspection terminals (Terminal symbol) Inspection conditions Standard value
      D7-30 (E) - D2-6 Always Less than 1 Ω
      D7-31 (TR) - D2-5 Always Less than 1 Ω
      D7-32 (T) - D2-4 Always Less than 1 Ω
      D7-33 (TC) - D2-1 Always Less than 1 Ω

      NG: Repair or replacement of wiring harness or connector

      OK: Replacement of the combination meter ASSY (refer to REMOVAL  )

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