Lexus ES manuals

Lexus ES: On-vehicle Inspection

Lexus ES (XZ10) Service Manual / Brake / Brake System (other) / Vacuum Pump (for A25a-fks) / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. OPERATION CHECK

(a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly.

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(b) Connect the hose of the vacuum gauge to the vacuum pump assembly.

*a

Vacuum Gauge

*b

Plug

(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 assembly. 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 No. 1 vacuum hose connector to the vacuum pump assembly.

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READ NEXT:

 Reassembly

REASSEMBLY PROCEDURE 1. CLEAN VACUUM PUMP HOUSING (a) Clean the inside surface of the vacuum pump housing. 2. INSTALL VACUUM PUMP ROTOR (a) Clean the vacuum pump rotor. (b) Apply engine oil to the are

 Removal

REMOVAL CAUTION / NOTICE / HINT NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE

 Vacuum Pump (for Tmc Made 2gr-fks)

SEE MORE:

 Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic.

 Skid Control ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Skid Control ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Skid Control (ABS/VSC/TRAC)" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication

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