More/Less Fuel Than The Actual Amount Is Displayed

Trouble causes: 

• CAN communication failure
• Fuel level sensor malfunction
• Combination meter malfunction

1. CHECK DTC  .
   1. Turn the ignition switch to ON.
   2. Read the DTC of [Combination Meter] using the Subaru Select Monitor. Refer to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is [FUEL SENDER OPEN DETECTED] displayed? (Current malfunction)

   Yes:  Perform the diagnosis for the displayed DTCs.

   No:  Go to  2.

2. CHECK DTC  .
   1. Start the engine.
   2. Using the Subaru Select Monitor, read all DTCs. Refer to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC U**** displayed? (Current malfunction)

   Yes:  Perform the diagnosis according to the basic diagnostic procedure in LAN SYSTEM (DIAGNOSTICS). Refer to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

   No:  Go to  3.

3. CHECK FUEL GAUGE  .

   Using the Subaru Select Monitor, check the following items in the [Active Test] of [Combination Meter]. Refer to ACTIVE TEST

   • Fuel Meter Operation

   Do the indicated amount on Subaru Select Monitor and the fuel gauge indication match?

   Yes:  CHECK the fuel level sensor as a single part. Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>Fuel Level Sensor . Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel Level Sensor .

   No:  Replace the combination meter. Refer to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .