Lexus NX: 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 Area |
|---|---|---|---|
| C1AF3 | Fr Sensor Initialization Incomplete | Front sensor not initialized |
|
CAUTION / NOTICE / HINT
NOTICE:
-
If DTC C1AF3 is output after performing repairs, turn the power switch on (IG) and turn the intelligent clearance sonar system on to clear the DTC.
Click here
.gif)
-
After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
Click here
PROCEDURE
| 1. | INITIALIZE FRONT CENTER ULTRASONIC SENSOR AND FRONT CORNER ULTRASONIC SENSOR |
(a) Initialize the front center ultrasonic sensor and front corner ultrasonic sensor.
Click here
|
.gif)
| 2. | CHECK FOR DTC |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
HINT:
After turning the power switch from off to on (IG), wait 10 seconds or more before checking for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes| Result | Proceed to |
|---|---|
| DTC C1AF3 is output | A |
| DTC C1AF3 is not output | B |
HINT:
If DTC C1AF3 is still output after initializing the front center ultrasonic sensor and front corner ultrasonic sensor 3 times, replace the clearance warning ECU assembly.
| A | .gif) | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | END (FRONT SENSORS WERE NOT INITIALIZED) |
READ NEXT:
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
Control Module Communication Bus "A" Off (U0073,U0100,U0124,U0126,U0129,U0140,U0155,U0164,U0293)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the clearance warning ECU assembly. HINT: If CAN communication system DTCs are stored, they may
CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION When the clearance warning ECU assembly determines that the CAN communication circuit is malfunctioning during self-diagnosis, DTC U1000 is stored. DTC No. Detection Item DTC Detect
SEE MORE:
Installation
INSTALLATION 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. INSTALL BACK DOOR LOWER DAMPER STAY BRACKET LH (a) Perform this procedure when replacing only the back door lower damper stay bracket LH.
Outside Vehicle
General MaintenanceGENERAL MAINTENANCE CAUTION / NOTICE / HINT
These are maintenance and inspection items that are considered to be the owner's responsibility.
The owner can do them or they can have them done at a service center. These items include those that should be checked on a daily basis,
