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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DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame data. HINT: DTCs which are stored in the ECM c ...

Toyota Avalon (XX50) 2019-2022 Owners Manual