Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Steering Angle Sensor (C1A47)

DESCRIPTION

The blind spot monitor sensor receives steering angle signals from the steering sensor via CAN communication.

Blind Spot Monitor Master

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1A47	Steering Angle Sensor	A fail flag is transmitted from the steering angle sensor	Steering sensor Blind spot monitor sensor RH

Blind Spot Monitor Slave

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C1A47	Steering Angle Sensor	A fail flag is transmitted from the steering angle sensor	Steering sensor Blind spot monitor sensor LH

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor system is turned on.

PROCEDURE

CHECK DTC

(a) Turn the engine switch off.

(b) Turn the engine switch on (IG).

Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

2.	REPLACE STEERING SENSOR

(a) Replace the steering sensor with a new or known good one.

Click here

3.	RECHECK DTC

(a) Turn the engine switch off.

(b) Turn the engine switch on (IG).

Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes

Result	Proceed to
No DTCs are output	A
DTC C1A47 is output ("Blind Spot Monitor Master")	B
DTC C1A47 is output ("Blind Spot Monitor Slave")	C

END

REPLACE BLIND SPOT MONITOR SENSOR RH

REPLACE BLIND SPOT MONITOR SENSOR LH

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Occupant Classification System(for Hv Model): System Description
SYSTEM DESCRIPTION GENERAL (a) The occupant detection ECU estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The occupant detection ECU determines whether the front passenger seat is occupied and classifies the occupant based on the estimated we ...

Toyota Avalon (XX50) 2019-2022 Owners Manual