Toyota 4Runner manuals

Toyota 4Runner: Clearance Sonar Main Switch

Components

COMPONENTS

ILLUSTRATION


Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 2 SWITCH HOLE BASE


2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY


(a) Detach the 2 claws and remove the back sonar or clearance sonar switch.

Inspection

INSPECTION

PROCEDURE

1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY


(a) Check the resistance.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

3 (ECU) - 6 (IG)

Sonar switch off

10 kΩ or higher

Sonar switch on

Below 1 Ω

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

(b) Apply battery voltage to the connector and check the LED illumination condition.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 3 (ECU)

Battery negative (-) → Terminal 7 (E)

LED illuminates

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

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

LED illuminates

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

Text in Illustration

*a

Component without harness connected

(Back Sonar or Clearance Sonar Switch Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

(a) Attach the 2 claws to install the back sonar or clearance sonar switch.

2. INSTALL NO. 2 SWITCH HOLE BASE


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