Lexus ES manuals

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

  • Electronically controlled brake system
  • Blind spot monitor sensor RH
Blind Spot Monitor Slave

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A46

Yaw Rate Sensor

A fail flag is transmitted from the airbag sensor assembly

  • Electronically controlled brake system
  • Blind spot monitor sensor LH

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 Codes

OK:

Electronically controlled brake system DTCs are not output.

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

OK

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:

 Installation

INSTALLATION PROCEDURE 1. INSTALL HYBRID BATTERY TERMINAL BLOCK CAUTION: Be sure to wear insulated gloves and protective goggles. (a) Engage the claw to install the hybrid battery terminal block to the HV battery. (b) Connect the hybrid battery terminal block connector. NOTICE: Make sure that the co

 Inspection

INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY HINT: Use the same procedure for the intake side and exhaust side. (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Conditio

© 2016-2023 Copyright www.lexguide.net