Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 | ICS detection area adjustment incomplete |
|
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.
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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. | INTELLIGENT CLEARANCE SONAR SYSTEM REGISTRATION |
(a) Perform intelligent clearance sonar system registration.
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|
| 2. | CHECK FOR DTC |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
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(b) Clear the DTCs according to the screen on the Techstream.
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(c) Recheck for DTCs.
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HINT:
If DTC C1AF0 is still output after performing intelligent clearance sonar 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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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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