Throttle Body: Installation: Installation
- INSTALL THROTTLE BODY ASSEMBLY
- Install the No. 4 water by-pass hose to the throttle body.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Paint Mark HINT:
When installing the hose, make sure the paint mark and clip are as shown in the illustration.
- Install the No. 12 water by-pass hose to the throttle body.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Paint Mark HINT:
When installing the hose, make sure the paint mark and clip are as shown in the illustration.
- Align the protrusion of a new gasket with the groove of the intake air surge tank and install the gasket to the intake air surge tank.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Groove *2 Protrusion - Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
- Connect the throttle position sensor and control motor connector.
- Connect the No. 4 water by-pass hose and No. 12 water by-pass hose.TEXT IN ILLUSTRATION
*1 Paint Mark *a Upper Side *b Lower Side *c 13 to 17 mm (0.511 to 0.669 in.) *d 5 mm (0.197 in.) HINT:
When connecting the hoses, make sure the paint marks and clips are as shown in the illustration.
- Install the No. 4 water by-pass hose to the throttle body.
- INSTALL AIR CLEANER CAP AND HOSE . Refer to INSTALLATION - Step 53
- ADD ENGINE COOLANT . Refer to REPLACEMENT - Step 6
- INSPECT FOR COOLANT LEAK . Refer to ON-VEHICLE INSPECTION - Step 1
- INSTALL NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY . Refer to INSTALLATION - Step 88
- INSTALL LOWER FRONT BUMPER COVER . Refer to INSTALLATION - Step 89
- INSTALL V-BANK COVER SUB-ASSEMBLY . Refer to INSTALLATION - Step 80
- PERFORM INITIALIZATION NOTE:
- Be sure to perform this procedure after reassembling the throttle body assembly or removing and reinstalling any throttle body component.
- 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.
- Be sure to perform this procedure after reconnecting the battery cable and replacing the ECM.
- Disconnect the EFI fuse, wait at least 60 seconds, and then reconnect the fuse.
- 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 Techstream to the DLC3 and clear the DTCs. Refer to DTC CHECK / CLEAR .
- Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up.
Standard
Condition Engine Idle Speed A/C switched off 550 to 780 rpm NOTE:- Be sure to perform this step with all accessories off.
- Make sure that the shift lever is in N or P.
- Enter the following menus: Powertrain / Engine and ETC / 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.