Toyota Tundra Service Manual: Steering Angle Sensor (C1A47)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Blind Spot Monitor System / Steering Angle Sensor (C1A47)

DESCRIPTION

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

DTC Code	DTC Detection Condition	Trouble Area
C1A47	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 system is turned on.
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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PROCEDURE

CHECK DTC

(a) Clear the DTCs (See page ).

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

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OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

2.	REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

(a) Replace the spiral with sensor cable sub-assembly with a new or known good one. (See page ).

CHECK DTC

(a) Clear the DTCs (See page ).

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

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Result

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

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

REPLACE BLIND SPOT MONITOR SENSOR RH

REPLACE BLIND SPOT MONITOR SENSOR LH

Yaw Rate Sensor (C1A46)

Short to +B in Outer Mirror Indicator(Master) (C1AB0)

See More:

Toyota Tundra Owners Manual > For safe use: For safe driving
For safe driving, adjust the seat and mirror to an appropriate position before driving. Correct driving posture Adjust the angle of the seatback so that you are sitting straight up and so that you do not have to lean forward to steer. Adjust the seat so that you can depress the pedals fully and so ...