Lexus ES: Steering Angle Midpoint Initial Setting Incomplete (C1AEA)
DESCRIPTION
When the clearance warning ECU assembly detects that the steering angle neutral point memorization is incomplete during self diagnosis, C1AEA is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AEA | Steering Angle Midpoint Initial Setting Incomplete | Steering angle neutral point memorization incomplete |
|
CAUTION / NOTICE / HINT
NOTICE:
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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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PROCEDURE
| 1. | PERFORM CALIBRATION |
(a) Perform steering angle neutral point memorization.
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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 C1AEA is output, perform steering angle neutral point memorization.
- If DTC C1AEA is still output after performing steering angle neutral point memorization 3 times, replace the clearance warning ECU assembly.
| Result | Proceed to |
|---|---|
| DTC C1AEA is output | A |
| DTC C1AEA is not output | B |
| A |  | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | USE SIMULATION METHOD TO CHECK |
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Components
COMPONENTS ILLUSTRATION *1 FRONT FENDER APRON SEAL LH *2 FRONT WHEEL OPENING EXTENSION PAD LH *3 FRONT WHEEL OPENING EXTENSION PAD RH *4 NO. 1 ENGINE UNDER COVER *5 NO. 2 ENGINE UNDER COVER ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRAT
Registration
REGISTRATION PROCEDURE 1. REGISTER TRANSMITTER CODE HINT:
The vehicle garage door opener records transmitter codes for systems such as garage doors, gates, entry gates, door locks, home lighting systems, security systems or other transmitter code based systems.
The garage door opener is built i
