Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Wireless Charger Illumination Circuit

DESCRIPTION

When the taillight on, this circuit sends an illumination signal to the mobile wireless charger cradle assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL)

(a) Disconnect the G12 mobile wireless charger cradle assembly connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
G12-10 (TAIL) - Body ground	Taillight off	Below 1 V
G12-10 (TAIL) - Body ground	Engine switch off, taillight on	11 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.	CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - MOBILE WIRELESS CHARGER CRADLE ASSEMBLY)

(a) Disconnect the G16 combination meter assembly connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
G16-1 (ILL-) - G12-9 (ILL-)	Always	Below 1 Ω
G16-1 (ILL-) or G12-9 (ILL-) - Body ground	Always	10 kΩ or higher

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

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Toyota Avalon (XX50) 2019-2022 Owners Manual