Lexus ES manuals

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.

*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 result is not as specified, replace 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:

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Refer to the illustration to confirm the type of vacuum pump assembly. *A for Type A *B for Type B *a Label - - PROCEDURE 1. REMOVE THROTTL

 Vacuum Warning Switch (for Gasoline Model)

 Components

COMPONENTS ILLUSTRATION *1 CHECK VALVE GROMMET *2 VACUUM WARNING SWITCH ASSEMBLY ● Non-reusable part - -

SEE MORE:

 Control Module Communication Bus Off (U0073,U0100,U0126,U0129,U0140,U0163,U0233,U023B,U0265,U0293,U1110)

DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU. HINT: If CAN communication system DTCs are stored, they may also be stored in other systems. DTC No. Detection Item DTC Detection Condition Trouble Area U0073

 Warning Notification Function Malfunction

PROCEDURE 1. CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION) (a) Check the problem symptom. (1) Check the problem symptom of the warning notification function. Result Proceed to The multi-display screen does not show a warning message even though a warning light turns on or t

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