Toyota Venza: Headlight Dimmer Switch

Toyota Venza Service Manual / Lighting (ext) / Headlight Dimmer Switch

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(See page )

2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY

3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the clamp as shown in the illustration.

Inspection

INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

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

Standard Resistance:

Light Control Switch

Tester Connection	Switch Condition	Specified Condition
12 (EL) - 18 (T)	Light control switch off	10 kΩ or higher
18 (T) - 19 (A)	Light control switch off	10 kΩ or higher
19 (A) - 20 (H)	Light control switch off	10 kΩ or higher
12 (EL) - 18 (T)	Light control switch in tail position	Below 1 Ω
12 (EL) - 18 (T)	Light control switch in head position	Below 1 Ω
18 (T) - 20 (H)	Light control switch in head position	Below 1 Ω
12 (EL) - 19 (A)	Light control switch in auto position	Below 1 Ω

Dimmer Switch

Tester Connection	Switch Condition	Specified Condition
11 (HU) - 12 (EL)	Dimmer switch in high position	Below 1 Ω
12 (EL) - 11 (HU)	Dimmer switch in high flasher position	Below 1 Ω
12 (EL) - 17 (HF)	Dimmer switch in high flasher position	Below 1 Ω

Turn Signal Switch

Tester Connection	Switch Condition	Specified Condition
12 (EL) - 13 (TR)	Right turn	Below 1 Ω
12 (EL) - 13 (TR)	Neutral	10 kΩ or higher
12 (EL) - 15 (TL)	Neutral	10 kΩ or higher
12 (EL) - 15 (TL)	Left turn	Below 1 Ω

Fog Light Switch

Tester Connection	Switch Condition	Specified Condition
3 (LFG) - 4 (BFG)	Fog light switch off	10 kΩ or higher
3 (LFG) - 4 (BFG)	Fog light switch on	Below 1 Ω

Text in Illustration

*1	Component without harness connected (Headlight Dimmer Switch Assembly)

If the result is not as specified, replace the headlight dimmer switch assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY

(a) Install the headlight dimmer switch assembly as shown in the illustration.

(b) Engage the claw.

(d) Connect the connector.

2. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY

3. INSTALL SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(See page )

Installation

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