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

INSPECTION

PROCEDURE

1. INSPECT FUEL LID OPENER SWITCH

(a) Check the switch.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
2 - 5	Pressed (On)	Below 1 Ω
2 - 5	Not pressed (Off)	10 kΩ or higher

If the result is not as specified, replace the fuel lid opener switch.

*a	Component without harness connected (Fuel Lid Opener Switch)

(b) Check the switch illumination.

(1) Apply auxiliary battery voltage to the switch connector and check that the fuel lid opener switch illuminates.

OK:

Auxiliary Battery Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 6

Auxiliary battery negative (-) → Terminal 1

Illumination illuminates

If the result is not as specified, replace the fuel lid opener switch.

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Airbag System(for Gasoline Model): Front Airbag Sensor Lost Communication (LH) (B1617,B1618)
DESCRIPTION The front airbag sensor LH circuit consists of the airbag ECU assembly and front airbag sensor LH. The front airbag sensor LH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbags and pretensioners should be deployed. These DTCs are store ...

Toyota Avalon (XX50) 2019-2022 Owners Manual