Lexus NX: Steering Angle Sensor (C1A47)

DESCRIPTION

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

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

CAUTION / NOTICE / HINT

NOTICE:

When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is on.

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Blind Spot Monitor Master > Clear DTCs Body Electrical > Blind Spot Monitor Slave > Clear DTCs

(b) Recheck for DTCs and check if the same DTC is output again.

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

OK:

DTC C1A47 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.	REPLACE STEERING SENSOR

(a) Replace the steering sensor.

Click here

NEXT

3.	RECHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Blind Spot Monitor Master > Clear DTCs Body Electrical > Blind Spot Monitor Slave > Clear DTCs

(b) Recheck for DTCs and check if the same DTC is output again.

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

Result	Proceed to
DTC C1A47 is not output	A
DTC C1A47 is output from the blind spot monitor sensor LH (master)	B
DTC C1A47 is output from the blind spot monitor sensor RH (slave)	C

A

END (STEERING SENSOR WAS DEFECTIVE)

B

REPLACE BLIND SPOT MONITOR SENSOR LH

C

REPLACE BLIND SPOT MONITOR SENSOR RH

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