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

INSPECTION

PROCEDURE

1. INSPECT FRONT SEATBACK HEATER ASSEMBLY LH

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Seat heater temperature 23°C (73°F)	4.2 to 5.2 Ω

If the result is not as specified, replace the front seatback heater assembly LH.

*a	Component without harness connected (Front Seatback Heater Assembly LH)

2. INSPECT FRONT SEATBACK HEATER ASSEMBLY RH

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Seat heater temperature 23°C (73°F)	4.2 to 5.2 Ω

If the result is not as specified, replace the front seatback heater assembly RH.

*a	Component without harness connected (Front Seatback Heater Assembly RH)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Theft Deterrent System(for Gasoline Model): Power Source Circuit
DESCRIPTION Based on changes in the power source voltage, the main body ECU (multiplex network body ECU) can detect if the battery has been disconnected and reconnected. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registrat ...

Toyota Avalon (XX50) 2019-2022 Owners Manual