Lexus ES manuals

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

  • Steering sensor
  • Blind spot monitor sensor RH
Blind Spot Monitor Slave

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A47

Steering Angle Sensor

A fail flag is transmitted from the steering angle sensor

  • Steering sensor
  • 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 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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

REPLACE STEERING SENSOR

(a) Replace the steering sensor with a new or known good one.

Click here

NEXT

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:

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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

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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

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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

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DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis

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