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

PROCEDURE

(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.

(b) Clear the DTCs according to the screen on the Techstream.

(c) Recheck for DTCs.

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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A

GO TO BLIND SPOT MONITOR SYSTEM

B

USE SIMULATION METHOD TO CHECK