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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 63 (Engine Control System (2GR-FE) (Diagnostic Codes (P1604 - P2610) & Circuit Tests))) >> SFI System >> Fuel Injector Circuit >> Procedure

Fuel Injector Circuit: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FUEL INJECTOR ASSEMBLY (POWER SOURCE) 
    1. Disconnect the fuel injector assembly connector.
      Fig 1: Identifying Fuel Injector Assembly Connector
      GTY299399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      Tester Connection Switch Condition Specified Condition
      B13-2 - Body ground Ignition switch on (IG) 11 to 14 V
      B14-2 - Body ground Ignition switch on (IG) 11 to 14 V
      B15-2 - Body ground Ignition switch on (IG) 11 to 14 V
      B16-2 - Body ground Ignition switch on (IG) 11 to 14 V
      B17-2 - Body ground Ignition switch on (IG) 11 to 14 V
      B18-2 - Body ground Ignition switch on (IG) 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Fuel Injector)
    4. Turn the ignition switch off.
    5. Reconnect the fuel injector assembly connector.

    NG → See step   4 

    OK: Go to next step 

  2. INSPECT FUEL INJECTOR ASSEMBLY 
    1. Inspect the injector assembly, refer to INSPECTION .

    NG → See step   5 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (FIEL INJECTOR ASSEMBLY - ECM) 
    1. Disconnect the fuel injector connector (of the misfiring cylinder).
      Fig 2: Identifying Fuel Injector Assembly Connector
      GTY299399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      Cylinder Tester Connection Switch Condition Specified Condition
      No. 1 B13-1 - Body ground Ignition switch on (IG) 11 to 14 V
      No. 2 B14-1 - Body ground Ignition switch on (IG) 11 to 14 V
      No. 3 B15-1 - Body ground Ignition switch on (IG) 11 to 14 V
      No. 4 B16-1 - Body ground Ignition switch on (IG) 11 to 14 V
      No. 5 B17-1 - Body ground Ignition switch on (IG) 11 to 14 V
      No. 6 B18-1 - Body ground Ignition switch on (IG) 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Fuel Injector)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (FUEL INJECTOR ASSEMBLY - ECM) 

    OK → See step   6 

  4. INSPECT FUSE (INJ NO. 2 FUSE) 
    1. Remove the INJ No. 2 fuse from engine room relay block.
      Fig 3: Identifying INJ No. 2 Fuse
      GTY296364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      INJ No. 2 fuse Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 Engine Room Relay Block
    3. Reinstall the INJ No. 2 fuse.

    NG → REPLACE FUSE 

    OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION RELAY (IG2 RELAY) - FUEL INJECTOR ASSEMBLY) 

  5. REPLACE FUEL INJECTOR ASSEMBLY. Refer to  COMPONENTS 
  6. REPLACE ECM. Refer to  COMPONENTS 
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