Toyota Venza: Clearance Sonar Main Switch

Toyota Venza Service Manual / Park Assist / Monitoring / Clearance Sonar Main Switch

Components

COMPONENTS

ILLUSTRATION

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 CLEARANCE SONAR MAIN SWITCH

(a) Disengage the 2 claws and remove the clearance sonar main switch.

Inspection

INSPECTION

PROCEDURE

1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
6 (IG) - 3 (ECU)	Clearance sonar main switch on	Below 1 Ω
6 (IG) - 3 (ECU)	Clearance sonar main switch off	10 kΩ or higher

Text in Illustration

*a	Component without harness connected (Back Sonar or Clearance Sonar Switch Assembly)

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

(b) Check that the switch illuminates.

(1) Apply battery voltage to the back sonar or clearance sonar switch assembly and check that the switch illuminates.

OK:

Tester Connection

Specified Condition

Battery positive (+) → Terminal 5 (ILL+)

Battery negative (-) → Terminal 4 (ILL-)

Illuminates

Text in Illustration

*a	Component without harness connected (Back Sonar or Clearance Sonar Switch Assembly)

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

(1) Apply battery voltage to the back sonar or clearance sonar switch assembly and check that the switch indicator illuminates.

OK:

Tester Connection

Condition

Specified Condition

Battery positive (+) → Terminal 6 (IG)

Battery negative (-) → Terminal 7 (E)

Clearance sonar main switch on

Indicator Illuminates

Text in Illustration

*a	Component without harness connected (Back Sonar or Clearance Sonar Switch Assembly)

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL CLEARANCE SONAR MAIN SWITCH

(a) Engage the 2 claws to install the clearance sonar main switch.

2. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL

3. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH

4. INSTALL FRONT DOOR SCUFF PLATE LH

Clearance Warning Buzzer

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