Releasing Of Fuel Pressure

WARNING: Place "NO OPEN FLAMES" signs near the working area.

CAUTION: Be careful not to spill fuel.

Remove the fuse of fuel pump from main fuse box.

Courtesy of SUBARU OF AMERICA, INC.
Navigate to the service mode (for exhaust gas measurement). Refer to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>Work Support>OPERATION>SERVICE MODE .
Start the engine and run it until it stalls.
After the engine stalls, crank it for five more seconds.
Turn the ignition switch to OFF.
Install the fuse of fuel pump to the main fuse box.