Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
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2. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
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3. OPERATION CHECK
(a) Slide the clip and disconnect the air tube from the vacuum pump assembly.
| (b) Connect the hose of the vacuum gauge to the vacuum pump assembly. |
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(c) Start the engine and warm it up for more than 2 minutes.
(d) With the engine idling, check the vacuum of the vacuum pump assembly.
Standard Pressure:
More than 86.7 kPa (650 mmHg, 25.6 in.Hg)
HINT:
-
If the pressure is less than the standard, disassemble and inspect the vacuum pump. If necessary, replace the vacuum pump assembly.
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- Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.
(e) Remove the vacuum gauge from the vacuum pump assembly.
(f) Connect the air tube to the vacuum pump assembly and slide the clip to secure it.
4. INSTALL FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
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5. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
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READ NEXT:
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL VACUUM PUMP VANE (a) Apply engine oil to the vacuum pump vane and vacuum pump vane caps and install the vacuum pump vane caps to the vacuum pump vane. (b) Apply engine
Removal
REMOVAL PROCEDURE 1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY Click here 2. REMOVE NO. 2 SURGE TANK STAY Click here 3. SEPARATE ENGINE WIRE (a) Remove the 2 bolts and separate the engine wire.
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-ACC FUSE - ECU-IG1 NO. 4 FUSE - ECU-IG2 NO. 3 FUSE (w/ Manual (SOS) Switch) - PANEL FUSE - ECU-DCC NO. 2 FUSE - METER-IG2 FUSE - ECU-B NO. 2 FUSE - DCM FUSE (w/ Manual (SOS) Switc
Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)
DESCRIPTION The forward recognition camera communicates with the millimeter wave radar sensor assembly via CAN communication. If a communication malfunction between the forward recognition camera and millimeter wave radar sensor assembly is detected, DTC U023587 is stored. DTC No. Detection Ite
