Lexus NX: 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:
-
After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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-
When disconnecting and reconnecting the auxiliary battery
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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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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|
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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 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 | .gif) | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | USE SIMULATION METHOD TO CHECK |
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Fr Sensor Initialization Incomplete (C1AF3)
DESCRIPTION When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3. DTC No. Detection Item DTC Detection Condition Trouble Are
Rr Sensor Initialization Incomplete (C1AF4)
DESCRIPTION When it is judged that the rear sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF4. DTC No. Detection Item DTC Detection Condition Trouble Area
SEE MORE:
Back Door Weatherstrip
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Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. PRECAUTION NOTICE: After the power switch off is turned off, there may be a waiting time before disconnecting the auxiliary negative (-) battery t
