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
.gif)
| 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 |
READ NEXT:
Blind Spot Monitor Beam Axis Misalignment (C1AFA)
DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating blind spot monitor beam axis misalignment.
Back Camera Internal Circuit (C2A63)
DESCRIPTION This DTC is stored when the clearance warning ECU assembly detects a signal indicating a malfunction in the rear television camera assembly via CAN communication. DTC No. Detection It
Communication Error From Clearance Sonar ECU to VSC (C164B)
DESCRIPTION The electronically controlled brake system receives parking support brake system information from the clearance warning ECU assembly via CAN communication. When it is determined that there
SEE MORE:
Installation
INSTALLATION PROCEDURE 1. PRECAUTION NOTICE: After turning the engine switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL PARKING BRAKE ACTUATOR ASSEMBLY (a) Apply a light coat of lithium soap base glycol grease to a new O-ring. (b) Install the O-ring to
