Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT TURN SIGNAL SWITCH

*a	Component without harness connected (Turn Signal Switch)

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

Standard Resistance:

Light Control Switch

Tester Connection	Condition	Specified Condition
2 (L_OFF) - 12 (EL)*1	Light control switch in DRL OFF position	Below 1 Ω
10 (A) - 12 (EL)	Light control switch in AUTO position	Below 1 Ω
14 (T) - 12 (EL)	Light control switch in tail position	Below 1 Ω
5 (H) - 12 (EL)	Light control switch in head position	Below 1 Ω

Dimmer Switch

Tester Connection	Condition	Specified Condition
6 (HF) - 12 (EL)	Dimmer switch in high flash position	Below 1 Ω
1 (HU) - 12 (EL)	Dimmer switch in high position	Below 1 Ω

Turn Signal Switch

Tester Connection	Condition	Specified Condition
9 (TR) - 12 (EL)	Turn signal switch in neutral position	10 kΩ or higher
3 (TL) - 12 (EL)	Turn signal switch in neutral position	10 kΩ or higher
9 (TR) - 12 (EL)	Turn signal switch in right turn position	Below 1 Ω
9 (TR) - 12 (EL)	Turn signal switch in full right turn position	Below 1 Ω
9 (TR) - 11 (CR)	Turn signal switch in full right turn position	Below 1 Ω
11 (CR) - 12 (EL)	Turn signal switch in full right turn position	Below 1 Ω
3 (TL) - 12 (EL)	Turn signal switch in left turn position	Below 1 Ω
3 (TL) - 12 (EL)	Turn signal switch in full left turn position	Below 1 Ω
3 (TL) - 11 (CR)	Turn signal switch in full left turn position	Below 1 Ω
11 (CR) - 12 (EL)	Turn signal switch in full left turn position	Below 1 Ω

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 7°).
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 12°).

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

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Toyota Avalon (XX50) 2019-2022 Owners Manual