Lexus ES: Yaw Rate Sensor (C1A46)
DESCRIPTION
The blind spot monitor sensor receives yaw rate signals from the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication.
Blind Spot Monitor Master| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A46 | Yaw Rate Sensor | A fail flag is transmitted from the airbag sensor assembly |
|
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A46 | Yaw Rate Sensor | A fail flag is transmitted from the airbag sensor assembly |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
PROCEDURE
| 1. | CHECK OTHER DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Read the DTCs following the prompts on the Techstream. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
Chassis > ABS/VSC/TRAC > Trouble CodesOK:
Electronically controlled brake system DTCs are not output.
| NG | .gif) | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
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| 2. | 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 C1A46 is output ("Blind Spot Monitor Master"). | B |
| DTC C1A46 is output ("Blind Spot Monitor Slave"). | C |
| A | | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE BLIND SPOT MONITOR SENSOR RH |
| C | | REPLACE BLIND SPOT MONITOR SENSOR LH |
READ NEXT:
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 Conditio
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
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Trouble Codes. Body Electrical > Sliding Roof > Trouble Codes (e) Check the details of the DTC(s).
Components
COMPONENTS
ILLUSTRATION
*1
FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
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Tightening torque for "Major areas involving basic vehicle performance
such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf)
