Lexus NX: 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:
|
|
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" mark is displayed on the multi-display assembly after disconnecting the cable from the negative (-) auxiliary batteryterminal, correct the steering angle neutral point.
Click here
.gif)
-
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.
Click here
PROCEDURE
| 1. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Parking Assist Camera / Data List.
(e) Read the Data List according to the display on the Techstream.
Chassis > Parking Assist 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 |
|
.gif)
| 2. | PERFORM CALIBRATION |
(a) Perform the following procedure depending on the memory conditions to register the vehicle information into the television camera assembly.
(1) Rear television camera assembly optical axis adjustment (back camera position setting).
Click here
(2) Steering angle setting.
Click here
|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here
(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 television camera assembly 3 times, replace the rear television camera assembly.
| Result | Proceed to |
|---|---|
| DTC C1611 is not output | A |
| DTC C1611 is output | B |
| A | | END |
| B | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
READ NEXT:
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
Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION This DTC is stored if the rear television camera assembly receives a signal via CAN communication from the steering sensor that indicates a power supply problem. DTC No. Detection Ite
Steering Angle Sensor Failure (C1626)
DESCRIPTION This DTC is stored if the rear television camera assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction. DTC No. Detection It
SEE MORE:
Check Mode Procedure
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode. NOTICE: All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mo
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 STEERING RACK BOOT (a) Apply lithium soap base glycol grease to the inside of the steering rack end. *1 Rack Housing *2 Steering Rack End *a Grease Application Area (b) Install the No. 2 steering rack boot to the groove on
