Lexus ES: 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 |
| |
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 2 wire harness clamps.
(c) Disconnect the vacuum hose from the air cleaner hose.
| (d) Disengage the 2 clamps to disconnect the No. 1 fuel vapor feed hose from the air cleaner hose. |
|
(e) Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose.
| (f) Disengage the 2 air cleaner cap clamps. |
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(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. |
|
READ NEXT:
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
Installation
INSTALLATION PROCEDURE 1. INSTALL THROTTLE BODY GASKET (a) Install a new throttle body gasket to the intake air surge tank assembly with the protrusion of the throttle body gasket oriented as shown
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and Freeze Frame Data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and Freeze Frame Data. HINT:
DTCs which are stored in the EC
Check Bus 1 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA
