Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: 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 |
|
CAUTION / NOTICE / HINT
NOTICE:
-
If DTC C1AF4 is output after performing repairs, turn the engine switch on (IG) and turn the intelligent clearance sonar system on to clear the DTC.
Click here
.gif)
-
After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
Click here
PROCEDURE
| 1. | INITIALIZE REAR CORNER ULTRASONIC SENSOR AND REAR CENTER ULTRASONIC SENSOR |
(a) Initialize the rear corner ultrasonic sensor and rear center ultrasonic sensor.
Click here
|
.gif)
| 2. | CHECK FOR DTC |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
Click here
HINT:
After turning the engine switch from off to on (IG), wait 10 seconds or more before checking for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes| Result | Proceed to |
|---|---|
| DTC C1AF4 is output | A |
| DTC C1AF4 is not output | B |
HINT:
if DTC C1AF4 is still output after initializing the rear corner ultrasonic sensor and rear center ultrasonic sensor 3 times, replace the clearance warning ECU assembly.
| A |  | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | END (REAR SENSORS WERE NOT INITIALIZED) |
Fr Sensor Initialization Incomplete (C1AF3)
DESCRIPTION When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3. DTC No. Detection Item DTC Detection Condition Trouble Are ...
Control Module Communication Bus "A" Off (U0073,U0100,U0124,U0126,U0129,U0140,U0155,U0164)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the clearance warning ECU assembly. HINT: If CAN communication system DTCs are stored, they may ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Fuel Pressure Sensor: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel pressure sensor removal/installation are shown below. Necessary Procedures After Parts Removed/Inst ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Vehicle Stability Control System: VSC OFF Switch Circuit
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. Pressing the VSC OFF switch (combination switch assembly) turns off TRAC operation, and pressing and holding this switch turns off TRAC and VSC operation. If TRAC and VSC ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0144