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 |
|
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
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- 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.
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|
| 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 CodesHINT:
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 |
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SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 FRONT DOOR OPENING TRIM COVER LH *3 FRONT DOOR SCUFF PLATE LH *4 FUEL LID OPENER SWITCH (TRUNK AND FUEL SWITCH ASSEMBLY) *5 INSTRUMENT SIDE PANEL LH *6 LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY *7 NO. 1
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during steering wheel assembly removal/installation are shown below. Necessary Procedures After Parts Removed/I
