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:
Diagnostic Trouble Code Chart
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Terminals Of Ecu
TERMINALS OF ECU REAR TELEVISION CAMERA ASSEMBLY (a) Disconnect the T1 rear television camera assembly connector. (b) Measure the voltage on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Spe
