Toyota Highlander Service Manual: Throttle body ASSY (3MZ-FE)
COMPONENTS
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-26 )
2. REMOVE FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
(a) Remove the 2 nuts and upper brace.
3. REMOVE V-BANK COVER SUB-ASSY
(a) Using a socket hexagon wrench 5, remove the 3 nuts.
(b) Remove the V-bank cover.
4. REMOVE AIR CLEANER INLET ASSY (See page 14-149 )
5. REMOVE AIR CLEANER ASSY (See page 14-149 )
6. REMOVE INTAKE AIR RESONATOR
(a) Remove the ventilation hose No. 2.
(b) Remove the fuel vapor feed hose from the 2 hose clamps.
(c) Loosen the air cleaner hose clamp bolt, and then remove the intake air resonator.
7. REMOVE THROTTLE BODY ASSY
(a) Disconnect the throttle control motor & throttle position sensor connector.
(b) Disconnect the water by-pass hose No. 2.
(c) Disconnect the water by-pass hose No. 3.
(d) Remove the 2 bolts, 2 nuts and throttle body.
(e) Remove the gasket.
8. INSTALL THROTTLE BODY ASSY
(a) Install a new gasket to the intake air connector.
(b) Install the throttle body with the 2 bolts and 2 nuts.
Torque: 11 NVm (112 kgfVcm, 8 ftVlbf) (c) Connect the water by-pass hose No. 3.
(d) Connect the water by-pass hose No. 2.
(e) Connect the throttle control motor & throttle position sensor connector.
9. INSTALL INTAKE AIR RESONATOR
10. INSTALL AIR CLEANER ASSY (See page 14-149 )
11. INSTALL AIR CLEANER INLET ASSY (See page 14-149 )
12. CHECK CONNECTION OF VACUUM HOSE (See page 14-149 )
13. ADD ENGINE COOLANT (See page 16-26 )
14. CHECK FOR ENGINE COOLANT LEAKS (See page 16-20 )
15. INSTALL V-BANK COVER SUB-ASSY
(a) Fit the 2 retainers and install the V-bank cover.
(b) Using a socket hexagon wrench 5, tighten the 3 nuts.
Torque: 7.9 NVm (81 kgfVcm, 70 in.Vlbf)
16. INSTALL FRONT SUSPENSION BRACE SUB-ASSY UPPER CENTER
(a) Install the upper brace with the 2 nuts.
Torque: 80 NVm (815 kgfVcm, 59 ftVlbf)
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
VG, ...
Knock sensor (3MZ-FE)
REPLACEMENT
1. DISCHARGE FUEL SYSTEM PRESSURE (See page 11-35 )
2. DRAIN ENGINE COOLANT (See page 16-26 )
3. REMOVE V-BANK COVER SUB-ASSY (See page 14-149 )
4. REMOVE AIR CLEANER CAP SUB-ASSY (See ...
More about Toyota Highlander:
Replacement
1. DRAIN ENGINE COOLANT (See page 16-26 )
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE V BELT NO. 1 (See page 14-125 )
5. REMOVE VANE PUMP V BELT (See page 14-125 )
6. REMOVE ENGINE MOVING CONTROL ROD (See page 14-149 )
7. REMOVE ENGINE MOUNTING STAY NO.2 RH (See pag ...
