Lexus ES: 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 CodesHINT:
- 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.
Click here
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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 |
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