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 cylinder head gasket removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Auxiliary battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane control system (for HV Model) | |
| Pre-collision system (for HV Model) | |||
| Parking support brake system (for HV Model)* | |||
| Lighting system (for HV Model) | |||
| Memorize steering angle neutral point | Parking assist monitor system (for HV Model) | | |
| Panoramic view monitor system (for HV Model) | | ||
| Initialize power trunk lid system | Power trunk lid system (for HV Model) | | |
| Replacement of ECM | Perform Vehicle Identification Number (VIN) registration | MIL illuminates | |
| Inspection After Repair |
| |
| Replacement of inverter with converter assembly | Resolver learning |
| |
| Replacement of hybrid vehicle transaxle assembly |
| ||
| Front wheel alignment adjustment |
|
| |
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|
| |
| Suspension, tires, etc.*1 | Rear television camera assembly optical axis (Back camera position setting) | Parking assist monitor system (for HV Model) | |
| Replacement of front bumper assembly | Front television camera view adjustment | Panoramic view monitor system (for HV Model) | |
| Suspension, tires, etc.*1 |
| ||
| Replacement of headlight ECU sub-assembly LH |
| Lighting system (for HV Model) | |
| Suspension, tires, etc.*1 | Perform headlight ECU sub-assembly LH initialization*2 |
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*: When performing learning using the Techstream.
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- *1: If the vehicle height has changed due to suspension or tire replacement.
- *2: for LED type turn signal light
NOTICE:
- After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
- After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
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This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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PROCEDURE
1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND
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2. REMOVE ENGINE HANGERS
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3. REMOVE COMPRESSOR WITH MOTOR ASSEMBLY
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4. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY
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5. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)
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6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
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7. REMOVE MANIFOLD STAY
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8. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)
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9. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
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10. REMOVE THROTTLE BODY GASKET
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11. REMOVE EGR COOLER ASSEMBLY
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12. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY
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13. REMOVE NO. 4 WATER BY-PASS HOSE
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14. REMOVE EGR VALVE ASSEMBLY
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15. REMOVE NO. 3 WATER BY-PASS PIPE
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16. REMOVE NO. 2 WATER BY-PASS PIPE
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17. REMOVE INTAKE MANIFOLD
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18. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET
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19. DISCONNECT FUEL TUBE SUB-ASSEMBLY
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20. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
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21. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)
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22. REMOVE NO. 7 WATER BY-PASS HOSE
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23. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
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24. REMOVE NO. 1 DELIVERY PIPE SPACER
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25. REMOVE INJECTOR VIBRATION INSULATOR
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26. REMOVE NO. 5 ENGINE WIRE
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27. REMOVE PORT FUEL INJECTOR ASSEMBLY
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28. REMOVE FUEL DELIVERY PIPE
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29. REMOVE DIRECT FUEL INJECTOR ASSEMBLY
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30. REMOVE IGNITION COIL ASSEMBLY
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31. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
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32. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY
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33. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
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34. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
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35. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
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36. REMOVE O-RING
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37. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
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38. REMOVE CAM TIMING CONTROL MOTOR O-RING
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39. REMOVE CRANKSHAFT PULLEY ASSEMBLY
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40. REMOVE WATER OUTLET
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41. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY
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42. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
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43. REMOVE SPARK PLUG TUBE GASKET
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44. REMOVE ENGINE MOUNTING BRACKET RH
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45. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY
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46. REMOVE TIMING CHAIN COVER OIL SEAL
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47. SET NO. 1 CYLINDER TO TDC (COMPRESSION)
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48. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY
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49. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
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50. REMOVE CHAIN SUB-ASSEMBLY
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51. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
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52. REMOVE CHAIN TENSIONER SLIPPER
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53. REMOVE NO. 1 CHAIN VIBRATION DAMPER
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54. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
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55. REMOVE TIMING CHAIN COVER ASSEMBLY
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56. REMOVE FUEL PUMP LIFTER GUIDE
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57. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
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58. REMOVE CAMSHAFT BEARING CAP
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59. REMOVE CAMSHAFT
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60. REMOVE NO. 2 CAMSHAFT
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61. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
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62. REMOVE VALVE LASH ADJUSTER ASSEMBLY
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63. REMOVE VALVE STEM CAP
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64. REMOVE CYLINDER HEAD SUB-ASSEMBLY
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65. REMOVE CYLINDER HEAD GASKET
(a) Remove the cylinder head gasket from the cylinder block sub-assembly.
66. INSPECT CYLINDER HEAD SET BOLT
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67. INSPECT CYLINDER HEAD SUB-ASSEMBLY
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READ NEXT:
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engin
SEE MORE:
Height Sensor Initialization Incomplete (B2450)
DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after it was replaced. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B2450 Height Sensor Initialization Incomplete
The engine switch is on (IG).
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends a signal to the cooling fan ECU (fan with motor assembly). The cooling fan ECU (fan with motor asse
