Check Power Supply And Ground Circuit

2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Check Power Supply And Ground Circuit
Step Check Yes No
1 CHECK POWER SUPPLY FOR COMBINATION METER. 
  1. Remove the combination meter.
  2. Measure the voltage between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 20 (+) - Chassis ground (-): 

Is the voltage 10 V or more? Go to step . Check the harness for open or short between the fuse and combination meter.
2 CHECK POWER SUPPLY FOR COMBINATION METER. 
  1. Turn the ignition switch to ON.
  2. Measure the voltage between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 19 (+) - Chassis ground (-): 

Is the voltage 10 V or more? Go to step . Check the harness for open or short between the ignition switch and combination meter.
3 CHECK GROUND CIRCUIT OF COMBINATION METER. 
  1. Turn the ignition switch to OFF.
  2. Measure the resistance between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 39 - Chassis ground: 

Is the resistance less than 10 Ω? Replace the meter case assembly. Repair or replace the harness.
RENDER: 1.0x

NO RELATED

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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.