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.
Click here
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.
Click here

PROCEDURE

CHECK DTC

(a) Clear the DTCs (See page ).

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

Click here

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.

Click here

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 Service Manual > Blind Spot Monitor System: Freeze Frame Data
FREEZE FRAME DATA 1. FREEZE FRAME DATA (a) Whenever a DTC is stored, the blind spot monitor sensor stores the current vehicle (sensor) state as Freeze Frame Data. 2. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) En ...

Toyota Tundra Service Manual: Steering Angle Sensor (C1A47)

Yaw Rate Sensor (C1A46)

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

See More:

Toyota Tundra Owners Manual

Toyota Tundra Service Manual