Lexus ES manuals

Lexus ES: ICS Detection Area Adjustment Incomplete (C1AF0)

DESCRIPTION

When ICS detection area adjustment is incomplete, the clearance warning ECU assembly stores DTC C1AF0.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AF0

ICS Detection Area Adjustment Incomplete

Parking support brake system detection area adjustment incomplete

  • Parking support brake detection area adjustment
  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

  • When continuing with the inspection, confirm that the necessary procedures (adjustment, calibration, initialization or registration) have been completed before proceeding.

PROCEDURE

1.

PARKING SUPPORT BRAKE SYSTEM REGISTRATION

(a) Perform parking support brake system registration.

Click here

NEXT

2.

CHECK FOR DTC

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

(b) Clear the DTCs according to the screen on the Techstream.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

HINT:

If DTC C1AF0 is still output after performing parking support brake system registration 3 times, replace the clearance warning ECU assembly.

Result

Proceed to

DTC C1AF0 is output

A

DTC C1AF0 is not output

B

A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

USE SIMULATION METHOD TO CHECK

READ NEXT:

 RCTB Sensor (C1AF7)

DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating a malfunction in the blind spot monitor sen

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DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating that the beam axis inspection is incomplete

 Blind Spot Monitor Beam Axis Misalignment (C1AFA)

DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating blind spot monitor beam axis misalignment.

SEE MORE:

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Data List / Accelerator Position Sensor No. 1 Voltage and Accelera

 Stop Light Control Relay Malfunction (C1380)

DESCRIPTION When any of the following conditions are met, the skid control ECU (brake booster with master cylinder assembly) sets the drive output (STPO) ON which operates the stop light control relay (stop light switch assembly) and turns on the stop lights. Illumination Conditions: Pre-collisio

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