Toyota Venza manuals

Toyota Venza: Inspection

INSPECTION

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

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

Standard Resistance:

Front Wiper Switch

Tester Connection

Switch Condition

Specified Condition

D40-1 (+S) - D40-3 (+1)

OFF

Below 1 Ω

INT

D40-2 (+B) - D40-3 (+1)

MIST

LO

D40-2 (+B) - D40-4 (+2)

HI

Front Washer Switch

Tester Connection

Switch Condition

Specified Condition

D39-2 (EW) - D39-3 (WF)

ON

Below 1 Ω

OFF

10 kΩ or higher

Rear Wiper Switch

Tester Connection

Switch Condition

Specified Condition

D39-6 (C1R) - D39-2 (EW)

OFF

10 kΩ or higher

D39-7 (+1R) - D39-2 (EW)

D39-6 (C1R) - D39-2 (EW)

INT

Below 1 Ω

D39-7 (+1R) - D39-2 (EW)

HI

Below 1 Ω

Rear Washer Switch

Tester Connection

Switch Condition

Specified Condition

D40-5 (WR) - D39-2 (EW)

OFF

10 kΩ or higher

D39-7 (+1R) - D39-2 (EW)

D40-5 (WR) - D39-2 (EW)

WASH

Below 1 Ω

D40-5 (WR) - D39-2 (EW)

ON + WASH

Below 1 Ω

D39-7 (+1R) - D39-2 (EW)

If the result is not as specified, replace the windshield wiper switch assembly.

Text in Illustration

*1

Component without harness connected

(Windshield Wiper Switch Assembly)


(b) Check the intermittent operation.

(1) Connect a voltmeter positive (+) lead to terminal D40-3 (+1) and a negative (-) lead to terminal D39-2 (EW).

(2) Connect a battery positive (+) lead to terminal D40-2 (+B) and a negative (-) lead to terminal D39-2 (EW) and D40-1 (+S).

(3) Turn the wiper switch to the INT position.

(4) Connect a battery positive (+) lead to terminal D40-1 (+S) for 5 seconds.

(5) Connect a battery negative (-) lead to terminal D40-1 (+S). Operate the intermittent wiper relay and check the voltage between terminals D40-3 (+1) and D39-2 (EW).

OK:

Voltage changes as shown in the illustration.


If the result is not as specified, replace the windshield wiper switch assembly.

Text in Illustration

*1

Voltage between terminals D40-3 (+1) and D39-2 (EW)

*2

FAST: Connect battery negative lead to terminal D40-1 (+S)

*3

SLOW: Connect battery negative lead to terminal D40-1 (+S)

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Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH 2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH 3. REMOVE LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL 4. REMOVE LOWER STEERING COLUMN COVER ...

Installation
INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY (a) Engage the claw to install the windshield wiper switch assembly as shown in the illustration. ...

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