Lexus ES manuals

Lexus ES: Vehicle Speed Sensor (B2415)

DESCRIPTION

The headlight ECU sub-assembly LH receives speed signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication and performs light control.

for LED Type Turn Signal Light

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B2415

Vehicle Speed Sensor

  • The power switch is on (IG).
  • Wheel speed sensor invalid signals are continuously received from the skid control ECU (brake booster with master cylinder assembly)
  • 10 seconds or more

Electronically controlled brake system

AFS

for Bulb Type Turn Signal Light

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B2415

Vehicle Speed Sensor

  • The power switch is on (IG).
  • Wheel speed sensor invalid signals are continuously received from the skid control ECU (brake booster with master cylinder assembly)
  • 10 seconds or more

Electronically controlled brake system

HL AutoLeveling

WIRING DIAGRAM

PROCEDURE

1.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for LED Type Turn Signal Light

A

for Bulb Type Turn Signal Light

B

B

GO TO STEP 4

A

2.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > AFS > Clear DTCs
NEXT

3.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(f) Check for DTCs.

Body Electrical > AFS > Trouble Codes

OK:

DTC B2415 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

4.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > HL AutoLeveling > Clear DTCs
NEXT

5.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(f) Check for DTCs.

Body Electrical > HL AutoLeveling > Trouble Codes

OK:

DTC B2415 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

READ NEXT:

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 Right Headlight ECU Malfunction (B242C,B242D)

DESCRIPTION The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores a DTC if it detects an internal malfunction. for LED Type Turn Signal Light DTC No. Detection Item DTC Dete

SEE MORE:

 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION OF CONTROL SYSTEM (a) When a malfunction is detected in the brake control system, the skid control ECU (brake booster with master cylinder assembly) turns the ABS warning, brake warning / red (malfunction), brake warning / yellow (minor malfunction) and slip indica

 Components

COMPONENTS ILLUSTRATION *1 CLEARANCE WARNING ECU ASSEMBLY *2 ECU INTEGRATION BOX RH *3 GLOVE COMPARTMENT DOOR ASSEMBLY - -

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