Toyota Yaris: Headlight Dimmer Switch / Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Exterior / Lighting (ext) / Headlight Dimmer Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT TURN SIGNAL SWITCH

(a) Check the resistance.

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

Standard Resistance:

Light Control Switch

Tester Connection	Condition	Specified Condition
z6-7 (A) - z6-5 (EL)	Light control switch in AUTO position	Below 1 Ω
z6-3 (T) - z6-5 (EL)	Light control switch in tail position	Below 1 Ω
z6-12 (H) - z6-5 (EL)	Light control switch in head position	Below 1 Ω

Dimmer Passing Switch

Tester Connection	Condition	Specified Condition
z6-11 (HF) - z6-5 (EL)	Dimmer switch in high flash position	Below 1 Ω
z6-16 (HU) - z6-5 (EL)	Dimmer switch in high position	Below 1 Ω

Fog Light Switch

Tester Connection	Condition	Specified Condition
z6-4 (B) - z6-5 (EL)	Fog light switch in rear position	Below 1 Ω
z6-13 (BFG) - z6-5 (EL)	Fog light switch in front position	Below 1 Ω

Turn Signal Switch

Tester Connection	Condition	Specified Condition
z6-8 (TR) - z6-5 (EL)	Turn signal switch in neutral position	10 kΩ or higher
z6-14 (TL) - z6-5 (EL)	Turn signal switch in neutral position	10 kΩ or higher
z6-8 (TR) - z6-5 (EL)	Turn signal switch in right turn position	Below 1 Ω
z6-8 (TR) - z6-5 (EL)	Turn signal switch in full right turn position	Below 1 Ω
z6-8 (TR) - z6-6 (CR)	Turn signal switch in full right turn position	Below 1 Ω
z6-6 (CR) - z6-5 (EL)	Turn signal switch in full right turn position	Below 1 Ω
z6-14 (TL) - z6-5 (EL)	Turn signal switch in left turn position	Below 1 Ω
z6-14 (TL) - z6-5 (EL)	Turn signal switch in full left turn position	Below 1 Ω
z6-14 (TL) - z6-6 (CR)	Turn signal switch in full left turn position	Below 1 Ω
z6-6 (CR) - z6-5 (EL)	Turn signal switch in full left turn position	Below 1 Ω

If the result is not as specified, replace the turn signal switch.

HINT:

The left turn or right turn condition indicates a condition in which the turn signal switch will return to the neutral position after releasing your hand from the turn signal switch (turn signal switch is operated approximately 6.3°).
The full left turn or full right turn condition indicates a condition in which the turn signal switch will not return to the neutral position after releasing your hand from the turn signal switch (turn signal switch is operated 10.5°).

*a	Component without harness connected (Turn Signal Switch)

Removal

REMOVAL PROCEDURE 1. REMOVE LOWER STEERING COLUMN COVER Click here 2. REMOVE UPPER STEERING COLUMN COVER Click here 3. REMOVE TURN SIGNAL SWITCH (a) Remove the 2 screws...

Installation

INSTALLATION PROCEDURE 1. INSTALL TURN SIGNAL SWITCH (a) Engage the claw to install the turn signal switch as shown in the illustration. Install in this Direction (b) Install the 2 screws...

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