Toyota Tundra Service Manual: Steering Angle Sensor (C1A47)

DESCRIPTION

The forward recognition camera receives steering angle information from the spiral with sensor cable sub-assembly. If the forward recognition camera detects a spiral with sensor cable sub-assembly malfunction, DTC C1A47 is stored.

CAUTION / NOTICE / HINT

NOTICE:

• When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
• If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Camera Axis Adjustment.

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• The forward recognition camera system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

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PROCEDURE

HINT:

Forward recognition camera system DTC C1A47 may be stored due to a malfunction in the vehicle stability control system. Therefore it is necessary to check for and troubleshoot vehicle stability control system DTCs first.

(a) Check for DTCs.

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B

GO TO VEHICLE STABILITY CONTROL SYSTEM

A

(a) Clear the DTCs.

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(b) Make sure that the DTC detection conditions are met.

HINT:

If the conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

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A

USE SIMULATION METHOD TO CHECK

B

(a) Replace the forward recognition camera.

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(b) Perform forward recognition camera axis adjustment.

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NEXT

(a) Clear the DTCs.

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(b) Make sure that the DTC detection conditions are met.

HINT:

If the conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

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A

END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)

B

REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY