Lexus ES: RCTB Sensor (C1AF7)
DESCRIPTION
This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating a malfunction in the blind spot monitor sensor.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| C1AF7 | RCTB Sensor | Blind spot monitor sensor malfunction | Blind spot monitor system |
PROCEDURE
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
HINT:
After turning the power 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 C1AF7 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 C1AF7 will not be output again.
-
If DTC C1AF7 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.
| Result | Proceed to |
| DTC C1AF7 is output | A |
| DTC C1AF7 is not output | B |
| A | | GO TO BLIND SPOT MONITOR SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
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
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.
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
SEE MORE:
PARTS LOCATION ILLUSTRATION *1 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - DCM FUSE - ECU-IG2 NO. 3 FUSE *2 DLC3 *3 AIRBAG ECU ASSEMBLY *4 DCM (TELEMATICS TRANSCEIVER) - MOBILEPHONE BATTERY ILLUSTRATION *1 FRONT NO. 2 SPEAKER ASSEMBLY (RH) *2 TELEPHONE MICROPHONE ASSE
DESCRIPTION The idle speed is controlled by the electronic throttle control system. The electronic throttle control system is comprised of: 1) one valve type throttle body with motor assembly; 2) the throttle actuator, which operates the throttle valve; 3) the throttle position sensor, which detects
© 2016-2026 Copyright www.lexguide.net
