IS 250 AWD V6-2.5L (4GR-FSE) (2006)
Fuel Pressure: Testing and Inspection
CHECK FUEL PRESSURE
a. Check that the battery positive voltage is above 12 V.
b. Discharge the fuel system pressure.
c. Disconnect the cable from the negative (-) battery terminal.
d. Pinch and pull the fuel pump main tube.
1. Remove the fuel pipe clamp.
2. Disconnect the fuel tube.
CAUTION:
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Always read the precautions before disconnecting the fuel tube connector (quick type A).
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The fuel tube may spray fuel as a result of pressure that remains in the tube. Do not allow fuel to be sprayed in the engine compartment.
e. Install SST (pressure gauge) as shown in the illustration.
SST 09268-31010 (90467-13001, 95336-08070, 09268-41500), 09268-45011G (09268-41200, 09268-41220, 09268-41250)
f.
Wipe off any gasoline.
g. Reconnect the cable to the negative (-) battery terminal.
h. Operate the fuel pump.
1. Connect the intelligent tester to the DLC3.