Toyota Highlander manuals

Toyota Highlander Service Manual: Inspection

1. INSPECT FUEL INJECTOR ASSY

(a) Check the injector resistance.

  1.  Measure the resistance between the terminals.

    Standard: 11.6 to 12.4 W at 20 C (68 F)

If the result is not as specified, replace the injector.

(b) Check the injector injection.

CAUTION:

  1.  Purchase a new fuel tube and disconnect the fuel tube connector from its pipe.

    Fuel tube: Part No. 23801-20180

INSPECT FUEL INJECTOR ASSY


  1. Connect SST and fuel tube connector to the fuel pipe.

SST 09268-41047

CAUTION: Always read the precautions (see page 11-1 ) before connecting the fuel tube connector (quick type).

INSPECT FUEL INJECTOR ASSY


  1. Install the O-ring to the injector.
  2.  Connect SST (union and hose) to the injector, and hold the injector and union with SST (clamp).

    SST 09268-41047 (09268-41110, 09268-41300)

  3.  Put the injector into a graduated cylinder.

    HINT: Install a suitable vinyl tube onto the injector to contain the gasoline spray.

  4.  Operate the fuel pump (see page 11-4 ).

INSPECT FUEL INJECTOR ASSY


INSPECT FUEL INJECTOR ASSY


  1. Connect SST to the connector of injector.
  2.  Connect SST (wire) to the battery for 15 seconds, and measure the injection volume with a graduated cylinder. Test each injector 2 or 3 time.

SST 09842-30080

Standard:

INSPECT FUEL INJECTOR ASSY


NOTICE: Always turn on and off the voltage on the battery side, not the fuel pump side.

If the injection volume is not as specified, replace the injector.

(c) Check fuel leakage.

INSPECT FUEL INJECTOR ASSY


  1.  In the condition above, disconnect the test probes of SST (wire) from the battery and check the fuel leakage from the injector.

Fuel drop: 1 drop or less per 12 minutes

2. INSPECT FUEL PUMP ASSY

INSPECT FUEL PUMP ASSY


(a) Check fuel pump resistance.

  1.  Measure the resistance between the terminals.

    Resistance: 0.2 to 3.0 W at 20 C (68 F)

(b) Check fuel pump operation.

  1.  Apply battery voltage to both terminals. Check that the pump operates.

NOTICE:

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1. CHECK FUEL PUMP OPERATION AND FUEL LEAKS (a) When using the hand-held tester: Check fuel pump operation.  Connect the hand-held tester to the DLC3.  Turn the ignition switch ON an ...

Fuel injector ASSY (2AZ-FE)
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