Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Repair Manual > Exterior Panels / Trim: Wheel Opening Moulding(for Rear Side)
ComponentsCOMPONENTS ILLUSTRATION *1 QUARTER OUTSIDE MOULDING SUB-ASSEMBLY - - ● Non-reusable part - - RemovalREMOVAL 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. REMOVE QUA ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Fuel Lid Opener System: Parts Location
PARTS LOCATION ILLUSTRATION *1 BACK DOOR LOCK ASSEMBLY *2 DOOR CONTROL SWITCH *3 FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH *4 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH *5 REAR DOOR LOCK ASSEMBLY LH *6 REAR DOOR LOCK ASSEMBLY RH *7 MULTIPLEX NETWORK DOOR ECU *8 ELECT ...
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
0.0103