Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: ECU Malfunction (C1611)
DESCRIPTION
If the clearance warning ECU assembly detects an internal malfunction during self-diagnosis, DTC C1611 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1611 | ECU Malfunction |
| Clearance warning ECU assembly |
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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. | CHECK DTC OUTPUT |
(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 3 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.
Click here
(c) Recheck for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC C1611 is output | A |
| DTC C1611 is not output | B |
| A | .gif) | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | USE SIMULATION METHOD TO CHECK |
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa ...
Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates a power supply problem. DTC No. Detection Item ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Pre-collision System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C142571 Stop Light Relay Actuator Stuck U010087 Lost Communication with ECM/PCM "A" Missing Message U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Bank 1 Air-Fuel Ratio Imbalance (Port) (P11EA00,...,P21A100)
DESCRIPTION Refer to DTC P030000. Click here Refer to DTC P219519. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P11EA00 Bank 1 Air-Fuel Ratio Imbalance (Port) The difference in air fuel ratios between the cylinders exceeds the thre ...
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
0.0185