Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: ECU Malfunction (C1611)
DESCRIPTION
This DTC is stored if the rear television camera assembly judges that there is an internal malfunction as a result of its self check.
HINT:
The rear television camera assembly stores different types of information during initialization. If the rear television camera assembly cannot read the stored information when it is activated, the rear television camera assembly judges that there is an internal malfunction and stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1611 | ECU Malfunction | When one of the following conditions is met:
| Rear television camera assembly |
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" mark is displayed on the multi-display assembly after disconnecting the cable from the negative (-) battery terminal, correct the steering angle neutral point.
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-
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.
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PROCEDURE
| 1. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Rear Camera / Data List.
(e) Read the Data List according to the display on the Techstream.
Chassis > Rear Camera > Data List| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Video Output Status | Output condition of video signal | OK or NG | OK: Output condition of video signal is normal NG: Output condition of video signal is abnormal | - |
| EEPROM Status (Initial read) | Rear television camera assembly information | OK or NG | OK: Rear television camera assembly normal NG: Rear television camera assembly abnormal | - |
| CPU Communication Status | Rear television camera assembly information | OK or NG | OK: Rear television camera assembly normal NG: Rear television camera assembly abnormal | - |
| Tester Display |
|---|
| Video Output Status |
| EEPROM Status (Initial read) |
| CPU Communication Status |
| Result | Proceed to |
|---|---|
| OK is displayed for all items | A |
| NG is displayed for EEPROM status (Initial read) | |
| NG is displayed for items other than EEPROM status (Initial read) | B |
| B | .gif) | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
|
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| 2. | PERFORM CALIBRATION |
(a) Perform the following procedure depending on the memory conditions to register the vehicle information into the rear television camera assembly.
(1) Rear television camera assembly optical axis adjustment (back camera position setting).
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(2) Steering angle setting.
Click here
|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
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(b) Recheck for DTCs and check that no DTCs are output.
Click here
HINT:
- If DTC C1611 is output, perform the procedure to register the vehicle information into the rear television camera assembly.
- If DTC C1611 is still output after performing the procedure to register the vehicle information into the rear television camera assembly 3 times, replace the rear television camera assembly.
| Result | Proceed to |
|---|---|
| DTC C1611 is output | A |
| DTC C1611 is not output | B |
| A | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | END |
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Rear Camera / Trouble Codes ...
Back Camera Power Supply Failure (C1621)
DESCRIPTION This DTC is stored if the rear television camera assembly judges as a result of its self check that the signals or signal lines between the rear television camera assembly and multi-displa ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
- General
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