Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018K3E |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A47; Steering Angle Sensor; 2018 - 2020 MY Sienna [11/2017 - ] |
DTC
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C1A47
|
Steering Angle Sensor
|
DESCRIPTION
The forward recognition camera receives steering angle information from the steering sensor. If the forward recognition camera detects a steering sensor malfunction, DTC C1A47 is stored.
DTC No.
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Detection Item
|
DTC Detection Condition
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Trouble Area
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C1A47
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Steering Angle Sensor
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2 seconds after the ignition switch is turned to ON, a signal from the steering sensor indicating that there is a steering sensor malfunction is detected by the forward recognition camera for 5 seconds or more.
|
-
Vehicle stability control system
-
Steering sensor (Spiral cable with sensor sub-assembly)
-
Forward recognition camera
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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 adjustment.
Click here
-
The lane departure alert 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.
Click here
PROCEDURE
1.
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CHECK FOR DTCs (VEHICLE STABILITY CONTROL SYSTEM)
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HINT:
Lane departure alert 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.
Click here
Result
|
Proceed to
|
Vehicle stability control system DTCs are not output
|
A
|
Vehicle stability control system DTCs are output
|
B
|
A
|
|
|
2.
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CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)
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(a) Clear the DTCs.
Click here
(b) Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
-
Turn the ignition switch to ON and wait 7 seconds or more.
(c) Check for DTCs.
Click here
Result
|
Proceed to
|
DTC C1A47 is not output
|
A
|
DTC C1A47 is output
|
B
|
B
|
|
|
3.
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REPLACE FORWARD RECOGNITION CAMERA
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(a) Replace the forward recognition camera.
Click here
(b) Perform forward recognition camera adjustment.
Click here
NEXT
|
|
|
4.
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CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)
|
(a) Clear the DTCs.
Click here
(b) Perform the following procedure.
HINT:
If the following procedure is not performed, the previously output DTC cannot be detected.
-
Turn the ignition switch to ON and wait 7 seconds or more.
(c) Check for DTCs.
Click here
Result
|
Proceed to
|
DTC C1A47 is not output
|
A
|
DTC C1A47 is output
|
B
|
A |
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END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)
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|