On-Vehicle Inspection

CHECK FUEL PUMP OPERATION AND FUEL LEAK
1. When using the hand-held tester:
  1. Connect the hand-held tester to the DLC3.
  2. Turn the ignition switch to the ON position and the hand-held tester main switch ON.
    NOTE: Do not start the engine.
  3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / FUEL PUMP / SPD
  HINT:
  
  Please refer to the hand-held tester operator's manual for further details.
2. When not using the hand-held tester:
  1. Remove the circuit opening relay.
  2. Using a service wire, connect terminals FP and +B of the relay block.
    NOTE: Pay careful attention to the terminal connecting position to avoid a malfunction.
  3. Turn the ignition switch to the ON position, and check that the fuel pump operates.
  Fig 1: Identifying Engine Room Relay Box
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Do not start the engine.
3. Check that there are no fuel leaks after performing maintenance of the fuel system.
4. Turn the ignition switch off.
5. Disconnect the hand-held tester from the DLC3.
CHECK FUEL PRESSURE
1. Prepare for inspection.
  1. Prepare a new fuel tube, and take the fuel tube connector out of the tube.
  HINT:
  
  Part No. 23801-31070
2. Prevent gasoline from spilling out (See SFI SYSTEM ).
3. Disconnect the fuel pipe clamp (See SFI SYSTEM ).
4. Disconnect the fuel pipe No. 1 from the fuel main tube.
  
  Fig 2: Identifying Fuel Tube Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install SST (pressure gauge) as shown in the illustration by using SSTs and a fuel tube connector.
  SST 09268-41047 (90467-13001, 95336-08070), 09268-45014 (09268-41200, 09268- 41220, 09268-41250, 90467-13001)
6. Wipe off any spattered gasoline.
7. Start the engine.
8. Measure the fuel pressure at idle.
  Fuel pressure:
  
  281 to 287 kPa (2.87 to 2.93 kgf.cm ² , 40.8 to 41.7 psi)
9. Stop the engine.
10. Check that the fuel pressure remains as specified for 5 minutes after the engine has stopped.
  Fuel pressure:
  
  147 kPa (1.5 kgf.cm ² , 21 psi) or more
  
  If pressure is not as specified, check the fuel pump, pressure regulator and/or injectors.
11. After checking the fuel pressure, disconnect the negative (-) terminal cable from the battery carefully, and remove the SST and fuel tube connector to prevent gasoline from splashing.
  
  Fig 3: Installing SST And Measuring Fuel Pressure At Idle
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
12. Reconnect the fuel tube to the fuel main tube.
13. Install the EFI fuel pipe clamp.
14. Check for fuel leak.