Oil Pressure System: Inspection

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Inspection
Step Check Yes No
1 CHECK COMBINATION METER. 
  1. Turn the ignition switch to ON. (engine OFF)
  2. Check the warning light in the combination meter.
Does the warning light illuminate? Go to step . Repair or replace the combination meter. < Ref. to INSPECTION , Combination Meter System. >
2 CHECK POWER SUPPLY TO OIL PRESSURE SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the terminal from oil pressure switch.
  3. Turn the ignition switch to ON.
  4. Measure the voltage of harness between oil pressure switch harness terminal and chassis ground.

Terminals 
(E11) No. 1 (+) - Chassis ground (-): 
Is the voltage 10 V or more? Replace the oil pressure switch. < Ref. to OIL PRESSURE SWITCH . > Go to step .
3 CHECK COMBINATION METER. 
  1. Turn the ignition switch to OFF.
  2. Remove the combination meter.
  3. Measure the resistance of combination meter.

    Terminals 

    No. 20 - No. 3: 

Is the resistance less than 10 Ω? Repair the harness and connector.
NOTE: In this case, repair the following item:
  • Open circuit of harness between combination meter and oil pressure switch
  • Poor contact of combination meter connector
  • Poor contact of oil pressure switch terminal
  • Poor contact of coupling connector
Repair or replace the combination meter. < Ref. to INSPECTION , Combination Meter System. >
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.