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 power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power 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 |
.gif)
|
.gif)
| 2. | RECHECK DTC |
(a) Turn the power switch off.
(b) Turn the power 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:
Lost Communication with ECM/PCM "A" Missing Message (U010087)
DESCRIPTION The engine control unit and transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control unit using CAN communication. If there is a problem in this intercommunication, the ECM stores this DTC. DTC No. Detection Item
Components
COMPONENTS ILLUSTRATION *1 FRONT DIFFERENTIAL CASE FRONT TAPERED ROLLER BEARING (INNER RACE) *2 FRONT DIFFERENTIAL CASE FRONT TAPERED ROLLER BEARING (OUTER RACE) *3 FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEARING (INNER RACE) *4 FRONT DIFFERENTIAL CASE REAR TAPERED ROLLER BEA
