Toyota Highlander Service Manual: 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
(a) Remove the 5 bolts, 2 nuts, intake manifold and gasket.
5. REMOVE KNOCK SENSOR
(a) Disconnect the sensor connector.
(b) Remove the nut and sensor.
6. INSTALL KNOCK SENSOR
(a) Install the sensor with the nut.
Torque: 20 NVm (199 kgfVcm, 14 ftVlbf)
HINT:Angling the knock sensor below the horizontal (below 0 ) is recommended.
(b) Connect the sensor connector.
7. INSTALL INTAKE MANIFOLD
(a) Install a new gasket and the intake manifold with the 5 bolts and 2 nuts.
Torque: 30 NVm (305 kgfVcm, 22 ftVlbf)
8. INSTALL THROTTLE BODY ASSY (See page 10-6 )
9. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE (See page 14-24 )
10. ADD ENGINE COOLANT (See page 16-6 )
11. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1 )
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 contro ...
ECM (2AZ-FE)
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE RH (See page 71-10 )
3. REMOVE COWL SIDE TRIM SUB-ASSY RH (See page 71-10 )
4. REMOVE GLOVE COMPARTMENT DOOR AS ...
More about Toyota Highlander:
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (research octane number 91) or higher.
Use of unleaded gasoline with an octane rating lower than 87
may result in engine knocking. Persistent knocking can lead to
engine damage.
At minimum, the gasoline you use s ...