LX 570 V8-5.7L (3UR-FE) (2010)
CAUTION:
*
Always read the precautions See: Powertrain Management/Fuel Delivery and Air Induction/Service Precautions/Precaution
before disconnecting the fuel tube connector (quick type).
*
The fuel tube may spray fuel as a result of pressure that remains in it. Do not allow fuel to be sprayed in the engine compartment.
(f) Install SST (pressure gauge) as shown in the illustration.
SST : 09268-31012
09268-41120
09268-41500
90467-13001
95336-08070
SST : 09268-45014
09268-41200
09268-41220
(g) Wipe off any gasoline.
(h) Reconnect the cable to the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected See: Testing and
Inspection/Programming and Relearning.
(i) Operate the fuel pump.
(1) Connect the Techstream to the DLC3.
(2) Turn the engine switch on (IG).
NOTICE:
Do not start the engine.
(3) Turn the Techstream main switch on.
(4) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump / Speed.
(j) Measure the fuel pressure.
Standard fuel pressure:
281 to 287 kPa (2.87 to 2.93 kgf/cm2, 41 to 42 psi)
(j) If the pressure is higher than the specification, replace the fuel pressure regulator.