Toyota Highlander Service Manual: Throttle body ASSY (2AZ-FE)

Toyota Highlander Service Manual / Engine control system / Throttle body ASSY (2AZ-FE)

COMPONENTS

COMPONENTS

REPLACEMENT

1. DRAIN ENGINE COOLANT (See page 16-6 )

2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )

3. REMOVE THROTTLE BODY ASSY

(a) Disconnect the throttle control motor & throttle position sensor connector.

(b) Disconnect the vacuum hose from the throttle body.

REMOVE THROTTLE BODY ASSY

(d) Remove the 4 bolts, fuel pipe support and throttle body.

(e) Remove the gasket.

4. INSTALL THROTTLE BODY ASSY

INSTALL THROTTLE BODY ASSY

(a) Install a new gasket to the intake manifold, as shown in the illustration.

INSTALL THROTTLE BODY ASSY

(b) Install the throttle body and fuel pipe support with the 4 bolts.

Torque: 30 NVm (305 kgfVcm, 22 ftVlbf) (c) Connect the 2 water by-pass hoses to the throttle body.

(d) Connect the throttle control motor & throttle position sensor connector.

(e) Connect the vacuum hose to the throttle body.

5. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )

6. ADD ENGINE COOLANT (See page 16-6 )

7. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1 )

Inspection

1. INSPECT MASS AIR FLOW METER (a) Check the output voltage. Apply battery voltage across terminals 1 (+B) and 2 (E2G). Connect the positive (+) tester probe to terminal 3 ( ...

Knock sensor (2AZ-FE)

REPLACEMENT 1. DRAIN ENGINE COOLANT (See page 16-6 ) 2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 ) 3. REMOVE THROTTLE BODY ASSY (See page 10-6 ) 4. REMOVE INTAKE MANIFOLD ...

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