Toyota Avalon Service & Repair Manual: Fr Sensor Initialization Incomplete (C1AF3)

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System(for Gasoline Model) / 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	Initialize front sensor Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

If DTC C1AF3 is output after performing repairs, turn the engine switch on (IG) and turn the intelligent clearance sonar system on to clear the DTC.
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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.	INITIALIZE FRONT CENTER ULTRASONIC SENSOR AND FRONT CORNER ULTRASONIC SENSOR

(a) Initialize the front center ultrasonic sensor and front corner ultrasonic sensor.

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2.	CHECK FOR DTC

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

HINT:

After turning the engine 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.

REPLACE CLEARANCE WARNING ECU ASSEMBLY

END (FRONT SENSORS WERE NOT INITIALIZED)

ICS Detection Area Adjustment Incomplete (C1AF0)

Rr Sensor Initialization Incomplete (C1AF4)

See More:

Toyota Avalon Service & Repair Manual > Power Mirror Control System(for Hv Model With Memory): Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...

Toyota Avalon Service & Repair Manual: Fr Sensor Initialization Incomplete (C1AF3)

ICS Detection Area Adjustment Incomplete (C1AF0)

Rr Sensor Initialization Incomplete (C1AF4)

See More:

Toyota Avalon Owners Manual

Toyota Avalon Service & Repair Manual