Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Blind Spot Monitor Beam Axis Inspection Incomplete (C1AF9)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System(for Gasoline Model) / Blind Spot Monitor Beam Axis Inspection Incomplete (C1AF9)

DESCRIPTION

This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating that the beam axis inspection is incomplete.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AF9

Blind Spot Monitor Beam Axis Inspection Incomplete

The clearance warning ECU assembly receives a signal indicating that the beam axis inspection is incomplete.

Blind spot monitor system

PROCEDURE

1.

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 4 seconds or more before checking for DTCs.

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 Codes

HINT:

  • DTC C1AF9 is stored when a malfunction signal sent from the blind spot monitor system is detected.
  • If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1AF9 will not be output again.
  • If DTC C1AF9 is output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.

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Result

Proceed to

DTC C1AF9 is output

A

DTC C1AF9 is not output

B
A

GO TO BLIND SPOT MONITOR SYSTEM

B

USE SIMULATION METHOD TO CHECK

    RCTB Sensor (C1AF7)

    Blind Spot Monitor Beam Axis Misalignment (C1AFA)

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Intelligent Clearance Sonar System(for Gasoline Model): 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 C1AF4 Rr Sensor Initialization Incomplete Rear sensor not initialized Initialize rear sensor Clearance warni ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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