Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000001980V
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A47; Steering Angle Sensor; 2018 - 2020 MY Sienna [11/2017 -        ]

DTC

C1A47

Steering Angle Sensor

DESCRIPTION

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

DTC No.

DTC Detection Condition

Trouble Area

C1A47

A fail flag is transmitted from the steering sensor

  • Spiral cable with sensor sub-assembly
  • Blind spot monitor sensor RH
  • Blind spot monitor sensor LH

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DTC CHECK / CLEAR ).

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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(a) Replace the spiral cable with sensor sub-assembly (See page 2016 - 2020 MY Sienna [12/2015 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: SPIRAL CABLE: REMOVAL ).

NEXT

3.

RECHECK DTC

(a) Clear the DTCs (See page 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DTC CHECK / CLEAR ).

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

Result

Result

Proceed to

No DTC is output

A

DTC is output from the blind spot monitor sensor RH (Master)

B

DTC is output from the blind spot monitor sensor LH (Slave)

C

A

END (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY WAS DEFECTIVE)

B

REPLACE BLIND SPOT MONITOR SENSOR RH

C

REPLACE BLIND SPOT MONITOR SENSOR LH