Toyota 4Runner: Hazard Warning Switch

Toyota 4Runner Service Manual / Vehicle Exterior / Lighting (ext) / Hazard Warning Switch

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH

2. REMOVE NO. 2 INSTRUMENT CLUSTER FINISH PANEL GARNISH

3. REMOVE HEATER CONTROL ASSEMBLY

4. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKETS (for Radio and Display Type)

5. REMOVE NAVIGATION RECEIVER ASSEMBLY WITH BRACKETS (for Navigation Receiver Type)

6. REMOVE HAZARD WARNING SIGNAL SWITCH ASSEMBLY

(a) Disconnect the connector.

(b) Detach the 2 claws to remove the hazard warning signal switch assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY

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

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
4 (B1) - 1 (E)	Hazard warning signal switch off	10 kΩ or higher
4 (B1) - 1 (E)	Hazard warning signal switch on	Below 1 Ω

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

OK:

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 3 (ILL+) Battery negative (-) → Terminal 2 (ILL-)	LED illuminates

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 3 (ILL+)

Battery negative (-) → Terminal 2 (ILL-)

LED illuminates

If the result is not as specified, there may be a malfunction in the hazard warning signal switch.

Text in Illustration

*a	Component without harness connected (Hazard Warning Signal Switch Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL HAZARD WARNING SIGNAL SWITCH ASSEMBLY

(a) Attach the 2 claws to install the hazard warning signal switch assembly.

(b) Connect the connector.

2. INSTALL RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKETS (for Radio and Display Type)

3. INSTALL NAVIGATION RECEIVER ASSEMBLY WITH BRACKETS (for Navigation Receiver Type)

4. INSTALL HEATER CONTROL ASSEMBLY

5. INSTALL NO. 1 INSTRUMENT CLUSTER FINISH PANEL GARNISH

6. INSTALL NO. 2 INSTRUMENT CLUSTER FINISH PANEL GARNISH

Installation

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Toyota 4Runner: Hazard Warning Switch

Installation

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