Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) The following chart shows the status of the front passenger SRS items and passenger airbag ON/OFF indicator operation under each condition.

The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then turns off for approximately 2 seconds.
Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate "ON" or "OFF" depending on the following conditions.

Condition	Passenger Airbag ON/OFF Indicator		Front Passenger SRS Item
Condition	ON Indicator	OFF Indicator	Instrument Panel Passenger Airbag Assembly	Lower No. 2 Instrument Panel Airbag Assembly	Front Seat Airbag Assembly RH	Curtain Shield Airbag Assembly RH	Front Seat Outer Belt Assembly RH
○: Deployable X: Not deployable 1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture. 2: The system may not recognize a child or a child in a child restrain system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.
Adult*1 is seated	ON	OFF	○	○	○	○	○
Child*2 is seated	ON or OFF*2	OFF or ON*2	○ or X*2	○ or X*2	○	○	○
Child restraint system is installed	OFF	ON	X	X	○	○	○
Vacant	OFF	ON	X	X	○	○	○
Failure	OFF	ON	X	X	○	○	○

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of th ...

Toyota Avalon (XX50) 2019-2022 Owners Manual