INSTALL THROTTLE BODY
Install a new gasket to the intake manifold.
Connect the No. 4 water by-pass hose and No. 5 water by-pass hose to the throttle body.
Note
Position the claws of the clamps as shown in the illustration.
Install the throttle body with the 4 bolts.
Connect the throttle motor connector.
INSTALL INTAKE AIR CONNECTOR PIPE
Align the protrusion of the intake air resonator with the cutout of the bracket and insert the protrusion.
Install the intake air connector pipe with the 3 hose clamps.
Tech Tips
Insert the protrusion of the intake air connector pipe into the hole of the hose clamp.
The intake air connector pipe and throttle body clamp can be tightened within the range of 4.0 N*m (41 kgf*cm, 35 in.*lbf) to 5.5 N*m (56 kgf*cm, 49 in.*lbf), and the intake air connector pipe and air cleaner cap clamp can be tightened within the range of 2.0 N*m (20 kgf*cm, 18 in.*lbf) to 5.5 N*m (56 kgf*cm, 49 in.*lbf).
Attach the 2 wire harness clamps.
Connect the No. 1 and No. 2 ventilation hoses to the intake air connector pipe.
Tech Tips
Position the claws of the clamps as shown in the illustration.
Install the clamps so that they are within the hose's paint marks.
INSTALL NO. 1 AIR CLEANER INLET
Align the holes with the connection areas labeled A, and attach the No. 1 air cleaner inlet.
Install the No. 1 air cleaner inlet with the 2 bolts.
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.
ADD ENGINE COOLANT
| Total capacity |
|---|
| 11.8 liters (12.5 US qts, 10.4 Imp. qts) |
CAUTION:
Do not remove the radiator reservoir cap while the engine and radiator are still hot. Pressurized, hot coolant and steam may be released and cause serious burns.
Note
Before adding coolant, turn the A/C switch off.
Tighten the radiator drain cock plug.
Tighten the 2 cylinder block drain cock plugs.
Add TOYOTA Super Long Life Coolant (SLLC) into the radiator reservoir.
| Capacity |
|---|
| Approximately 5.0 liters (5.3 US qts, 4.4 Imp. qts) |
Tech Tips
TOYOTA vehicles are filled with TOYOTA SLLC at the factory. In order to avoid damage to the engine cooling system and other technical problems, only use TOYOTA SLLC or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, non-borate coolant with long-life hybrid organic acid technology (coolant with long-life hybrid organic acid technology consists of a combination of low phosphates and organic acids).
Please contact any authorized Toyota dealer, or repairer or another duly qualified and equipped professional for further details.
The thermostat open timing can be confirmed by pressing the inlet radiator hose by hand, and checking when the coolant starts to flow inside the hose.
Further add coolant into the radiator reservoir until it reaches the FULL line.
Press the No. 1 and No. 2 radiator hoses several times by hand, and then check the coolant level.
If the coolant level is low, add coolant.
Using a 6 mm hexagon wrench, install the vent plug.
Bleed air from the cooling system.
Note
Before starting the engine to warm up the engine, turn the A/C switch off.
While idling the engine for approximately 10 minutes, make sure the coolant remains at the FULL line by adding coolant as necessary.
After idling the engine for 10 minutes, add coolant until it reaches the B line.
| Capacity |
|---|
| Approximately 2.5 to 3.5 liters (2.6 to 3.7 US qts, 2.2 to 3.1 Imp. qts) |
|
B Line |
Tech Tips
The B line is the lower edge of the inner wall of the filler neck.
Close the radiator reservoir cap, and run the engine at 1500 to 2000 rpm for 5 minutes.
CAUTION:
Wear protective gloves.
Be careful as the radiator hose are hot.
Keep your hands away from the radiator fans.
Tech Tips
The thermostat open timing can be confirmed by pressing the No. 1 radiator hose by hand, and checking when the SLLC starts to flow inside the hose.
Stop the engine and wait until the coolant cools down to ambient temperature.
Check the coolant level.
If the coolant level is below the FULL line, add coolant until it reaches the FULL line.
INSPECT FOR ENGINE COOLANT LEAK
CAUTION:
Do not remove the radiator reservoir cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
Note
Before each inspection, turn the A/C switch OFF.
Fill the radiator with coolant and attach a radiator cap tester.
Warm up the engine.
Using the radiator cap tester, increase the pressure inside the radiator to 118 kPa (1.2 kgf/cm2, 17 psi), and check that the pressure does not drop.
If the pressure drops, check the hoses, radiator and water pump for leaks. If no external leaks are found, check the heater core, cylinder block and head.
PERFORM INITIALIZATION
Note
Perform the following procedure after replacing the ECM, throttle body assembly or any throttle body components. The following procedure should also be performed if the throttle body is cleaned.
Disconnect the EFI MAIN and ETCS fuses at the same time. Wait at least 60 seconds, and then reconnect the fuses.
Turn the engine switch on (IG) without operating the accelerator pedal.
Note
If the accelerator pedal is operated, perform the above steps again.
Connect the intelligent tester to the DLC3 and clear the DTCs Click here.
Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range when the A/C is switched off.
| Standard | ||||
|---|---|---|---|---|
|
Note
Be sure to perform this step with all accessories off.
Make sure that the shift lever is in neutral.
Enter the following menus: Powertrain / Engine / Data List / All Data / Throttle Sensor Position. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or more.
Perform a road test and confirm that there are no abnormalities.
INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY
Attach the 4 clips B.
Note
Make sure the clips are attached securely.
Attaching the clips forcefully or hitting the top of the clips may damage them.
Install the air cleaner inlet cover sub-assembly with the 5 clips labeled A.
INSTALL V-BANK COVER SUB-ASSEMBLY
After sliding the cover from the vehicle front to the rear to attaching the 2 clips labeled A, attach the 4 clips labeled B and install the V-bank cover sub-assembly.
Note
Make sure the clips are attached securely.
Attaching the clips forcefully or hitting the top of the clips may damage them.
INSTALL NO. 1 ENGINE UNDER COVER
Install the No. 1 engine under cover with the 13 screws and 7 clips.
INSTALL COWL TOP VENTILATOR LOUVER RH
Install the 6 clips and cowl top ventilator louver RH.
Note
If the cowl top ventilator louver RH is not properly installed, water may leak into the engine room and cause malfunctions. Therefore, make sure the cowl top ventilator louver RH is installed properly.