Fuel System -- On-Vehicle Inspection |
1. CHECK FUEL PUMP OPERATION |
Connect the intelligent tester to the DLC3.
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Turn the ignition switch on (IG). Do not start the engine.
Select the following tester menus: POWERTRAIN / ENGINE / ACTIVE TEST / FUEL / PUMP / SPEED. Operate the fuel pump.
Touch the fuel hose in the engine compartment to check the fuel flow, and you will also be able to hear the sound of the fuel pump.
Stop the fuel pump.
If there is no fuel flow, the fuel pump may not operate. Check the fuel pump circuit (see page RAV4_ACA30 RM0000017RH001X.html).
2. CHECK FUEL PRESSURE |
Check that the battery positive voltage is above 12 V.
Discharge the fuel system pressure (see page RAV4_ACA30 RM0000017R8001X_01_0012.html).
Disconnect the cable from the negative (-) battery terminal.
Disconnect the fuel main tube (see page RAV4_ACA30 RM0000017R8001X_01_0007.html).
Install SST (pressure gauge) as shown in the illustration.
- Специальный инструмент (SST):
- 09268-31011(95336-08070,90467-13001,09268-41500)
09268-45014(09268-41200,09268-41220,09268-41250)
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Wipe off any gasoline.
Reconnect the cable to the negative (-) battery terminal.
Start the engine.
Measure the fuel pressure at idle.
- Fuel pressure:
- 304 to 343 kPa (3.1 to 3.5 kgf/cm2, 44 to 50 psi)
After checking the fuel pressure, disconnect the cable from the negative (-) battery terminal and carefully remove SST and the fuel tube connector to prevent fuel from spilling.
Reconnect the fuel main tube (see page RAV4_ACA30 RM0000017R5001X_01_0008.html).
Check for fuel leaks (see page RAV4_ACA30 RM0000017R5001X_01_0012.html).