Toyota Venza: On-vehicle Inspection

Toyota Venza Service Manual / 1ar-fe Fuel / Fuel System / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK FOR FUEL PUMP OPERATION AND INSPECT FOR FUEL LEAK

(a) Check fuel pump operation.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON and turn the Techstream on.

NOTICE:

Do not start the engine.

(3) Enter the following menus: Powertrain / Engine / Active Test / Control the Fuel Pump / Speed.

(4) Check for pressure in the fuel inlet tube from the fuel line. Check that the sound of fuel flowing from the fuel tank can be heard. If no sound can be heard, check the integration relay, fuel pump, ECM and wiring connectors.

(b) Inspect for fuel leaks.

(1) Check that there are no fuel leaks from the fuel system after doing any maintenance or repairs. If there is a fuel leak, repair or replace parts as necessary.

(d) Disconnect the Techstream from the DLC3.

2. CHECK FUEL PRESSURE

(a) Discharge fuel system pressure.

HINT:

(See page ).

(b) Using a voltmeter, measure the battery voltage.

Standard Voltage:

Tester Connection	Condition	Specified Condition
Positive (+) terminal - Negative (-) terminal	Ignition switch off	11 to 14 V

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

(d) Remove the No. 1 fuel pipe clamp from the fuel tube connector.

(e) Disconnect the fuel hose from the fuel main tube (See page ).

(f) Install SST (pressure gauge) as shown in the illustration.

Text in Illustration

*1	SST (Hose Band)
*2	SST (T-joint)
*3	SST (Pressure Gauge)
*4	SST (Hose)
*5	SST (Fuel Tube Connector)
*6	Fuel Tube
*7	Fuel Pipe

SST: 09268-31014

09268-41500

09268-41700

95336-08070

SST: 09268-45014

09268-41200

09268-41220

09268-41250

(g) Wipe up any gasoline.

(h) Connect the cable to the negative (-) battery terminal.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

(i) Connect the Techstream to the DLC3.

(j) Enter the following menus: Powertrain / Engine / Active Test / Control the Fuel Pump / Speed.

(k) Measure the fuel pressure.

Standard fuel pressure:

304 to 343 kPa (3.1 to 3.5 kgf/cm2, 44 to 50 psi)

If the fuel pressure is greater than the standard value, replace the fuel pressure regulator.
If the fuel pressure is less than the standard value, check the fuel hoses and connections, fuel pump, fuel filter and fuel pressure regulator.

(l) Disconnect the Techstream from the DLC3.

(m) Start the engine.

(n) Measure the fuel pressure at idle.

Standard fuel pressure:

304 to 343 kPa (3.1 to 3.5 kgf/cm2, 44 to 50 psi)

(o) Stop the engine.

(p) Check that the fuel pressure remains as specified for 5 minutes after the engine stops.

Standard fuel pressure:

147 kPa (1.5 kgf/cm2, 21 psi) or more

If the fuel pressure is not as specified, check the fuel pump, pressure regulator and/or fuel injectors.

(q) After checking the fuel pressure, disconnect the cable from the negative (-) battery terminal and carefully remove SST to prevent gasoline from spraying.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

(r) Reconnect the fuel tube to the main fuel tube (fuel tube connector).

(s) Install the No. 1 fuel pipe clamp to the fuel tube connector.

(t) Inspect for fuel leaks (See step 1).

Parts Location

PARTS LOCATION ILLUSTRATION ...

System Diagram

SYSTEM DIAGRAM ...

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