Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during throttle body with motor assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Inspection After Repair |
| |
CAUTION:
Do not remove the radiator cap sub-assembly or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
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PROCEDURE
1. DRAIN ENGINE COOLANT
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2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
| (a) Disconnect the mass air flow meter sub-assembly connector. |
|
(b) Disengage the wire harness clamp.
| (c) Disengage the No. 1 fuel vapor feed hose from the air cleaner hose assembly. |
|
(d) Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.
| (e) Disengage the 2 air cleaner cap clamps. |
|
(f) Open the air cleaner cap sub-assembly and remove the air cleaner filter element sub-assembly from the air cleaner case sub-assembly.
(g) Disengage the 2 guides to separate the air cleaner cap sub-assembly from the air cleaner case sub-assembly.
| (h) Loosen the hose clamp and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly. |
|
3. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
| (a) Slide the 2 clips and disconnect the No. 2 water by-pass hose and No. 3 water by-pass hose from the throttle body with motor assembly. |
|
| (b) Disconnect the throttle body with motor assembly connector. |
|
(c) Remove the 4 bolts and throttle body with motor assembly from the intake air surge tank assembly.
NOTICE:
If the throttle body with motor assembly has been struck or dropped, replace it.
4. REMOVE THROTTLE BODY GASKET
| (a) Remove the throttle body gasket from the intake air surge tank assembly. |
|
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Before cleaning, or after cleaning the throttle body with motor assembly and installing it to the vehicle, turn the eng ...
Inspection
INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition S ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Electric Parking Brake System: Vehicle Control History
VEHICLE CONTROL HISTORY DESCRIPTION
Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior.
If the customer states that the engine stalled or will not start, it may be possible to diagnose the cause of the malfunction by checking the ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Air Fuel Ratio Sensor: Inspection
INSPECTION PROCEDURE 1. INSPECT AIR FUEL RATIO SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 1 (HA2A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω 1 (HA1A) - 4 (A1A ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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