Toyota Highlander Service Manual: Throttle body ASSY (2AZ-FE)
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.
(c) Disconnect the 2 water by-pass hoses.
(d) Remove the 4 bolts, fuel pipe support and throttle body.
(e) Remove the gasket.
4. INSTALL THROTTLE BODY ASSY
(a) Install a new gasket to the intake manifold, as shown in the illustration.
(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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Uniform tire quality grading
This information has been prepared in accordance with regulations
issued by the national highway traffic safety administration of the
u.S. Department of transportation.
It provides the purchasers and/or prospective purchasers of toyota
vehicles with information on uniform tire quality grading. ...
