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

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT DEF RELAY

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 4	Auxiliary battery voltage applied between terminals 1 and 2	10 kΩ or higher
3 - 4	Auxiliary battery voltage not applied between terminals	Below 1 Ω
3 - 5	Auxiliary battery voltage applied between terminals 1 and 2	Below 1 Ω
3 - 5	Auxiliary battery voltage not applied between terminals	10 kΩ or higher
4 - 5	Always	10 kΩ or higher

If the result is not as specified, replace the DEF relay.

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Airbag System(for Gasoline Model): Curtain Shield Airbag Sensor Lost Communication (RH) (B1632,B1633)
DESCRIPTION The side collision sensor RH circuit (bus 1) consists of the airbag ECU assembly, side airbag pressure sensor RH and side No. 2 airbag sensor RH. The side airbag pressure sensor RH and side No. 2 airbag sensor RH detect impacts to the vehicle and send signals to the airbag ECU assembly t ...

Toyota Avalon (XX50) 2019-2022 Owners Manual