Prius L4-1.5L (1NZ-FXE) (Hybrid) (2003)
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h. Connect the TOYOTA hand-held tester to the DLC3. If you have no TOYOTA hand-held tester, connect the positive (+) lead from the battery
to terminal 3 of the connector, and the negative (-) lead to terminal 7.
i.
Measure the fuel pressure.
Fuel pressure: 304 - 343 kPa (3.1 - 3.5 kgf/sq.cm, 44 - 50 psi)
If pressure is high, replace the fuel tank.
If pressure is low, check the Fuel hoses and connections, Fuel pump.
j.
Disconnect the TOYOTA hand-held tester from the DLC3.
k. Start the engine.
l.
Measure the fuel pressure at idle.
Fuel pressure: 304 - 343 kPa (3.1 - 3.5 kgf/sq.cm,44 - 50 psi)
m. Stop the engine.
n. Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.
Fuel pressure: 147 kPa (1.5 kgf/sq.cm, 21 psi) or more
If pressure is not as specified, check the fuel pump and/or injectors.
o. After checking fuel pressure, disconnect the negative (-) terminal cable from the battery and carefully, remove the SST and fuel tube connector
to prevent gasoline from splashing.
SST 09268-41047 (95336-08070), 09268-45014 (09268-41200, 09268-41220, 09268-41250)
p. Reconnect the fuel tube (fuel tube connector).
CAUTION: Perform connecting operations of the fuel tube connector (quick type) after observing the precautions.
q. Reconnect the negative (-) terminal cable to the battery.
r.
Check for fuel leakage.