Lexus ES: Steering Angle Sensor (C1A47)
DESCRIPTION
The blind spot monitor sensor receives steering angle signals from the steering sensor via CAN communication.
Blind Spot Monitor Master| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A47 | Steering Angle Sensor | A fail flag is transmitted from the steering angle sensor |
|
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A47 | Steering Angle Sensor | A fail flag is transmitted from the steering angle sensor |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
| 1. | CHECK DTC |
(a) Turn the engine switch off.
(b) Turn the engine switch on (IG).
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble CodesOK:
No DTCs are output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | REPLACE STEERING SENSOR |
(a) Replace the steering sensor with a new or known good one.
Click here .gif)
|
| 3. | RECHECK DTC |
(a) Turn the engine switch off.
(b) Turn the engine switch on (IG).
(c) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| DTC C1A47 is output ("Blind Spot Monitor Master") | B |
| DTC C1A47 is output ("Blind Spot Monitor Slave") | C |
| A | | END |
| B | | REPLACE BLIND SPOT MONITOR SENSOR RH |
| C | | REPLACE BLIND SPOT MONITOR SENSOR LH |
READ NEXT:
Short to +B in Outer Mirror Indicator(Master) (C1AB0)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a short to +B in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble A
Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a short to +B in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble A
Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a short to ground in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Troub
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 REAR BUMPER ASSEMBLY *2 REAR COMBINATION LIGHT COVER LH *3 REAR COMBINATION LIGHT COVER RH - - ILLUSTRATION *A w/ Hands Free Power Trunk Lid - - *1 KICK DOOR CONTROL SENSOR WITH BRACKET - - ILLUSTRATION *A w/ Parking Supp
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
Avoid any impact to the blind spot monitor sensor.
Do not drop the blind spot monitor sensor. If it is dropped, replace it with a new one.
HINT:
The blind spot monitor beam axis confirmation is performed to confirm whether the sensor beam axis
