Lexus ES manuals

Lexus ES: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT RAIN SENSOR

(a) Disconnect the rain sensor connector.

*a

Front view of wire harness connector

(to Rain Sensor)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

4 (SIG) - 2 (ES)

Engine switch on (IG)

11 to 14 V

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (ES) - Body ground

Always

Below 1 Ω

HINT:

If the result is not as specified, replace the rain sensor.

(d) Reconnect the rain sensor connector.

*a

Component with harness connected

(Rain Sensor)

(e) Connect an oscilloscope to terminal 3 (MPX) and 2 (ES) of the rain sensor connector.

(f) Check for pulses according to the value(s) in the table below.

OK:

Tester Connection

Condition

Specified Condition

3 (MPX) - 2 (ES)

Engine switch on (IG)

Front wiper switch in auto

Pulse generation

HINT:

If the result is not as specified, replace the rain sensor.

READ NEXT:

 Removal

REMOVAL PROCEDURE 1. REMOVE RAIN SENSOR COVER *a Stopper Remove in this Direction (1) Remove in this Direction (2) (a) Release the stopper by pulling it out and disconnect the r

 Installation

INSTALLATION PROCEDURE 1. INSTALL RAIN SENSOR TAPE HINT: The rain sensor tape is reusable. Only replace the tape if it is damaged or contaminated with foreign matter. (a) Clean the sensing portion of

 Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT WIPER RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Co

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 Components

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 Removal

REMOVAL PROCEDURE 1. REMOVE LUGGAGE COMPARTMENT FLOOR MAT Click here 2. REMOVE SPARE WHEEL COVER TRAY Click here 3. REMOVE REAR FLOOR FINISH PLATE Click here 4. REMOVE LUGGAGE COMPARTMENT TRIM COVER LH Click here 5. REMOVE LUGGAGE COMPARTMENT TRIM INNER COVER LH Click here 6. REMOVE FUEL F

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