Lexus ES: 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 any of the following conditions is met:
| Rear television camera assembly |
CAUTION / NOTICE / HINT
NOTICE:
-
When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
Click here
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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 panoramic view monitor system may be needed.
Click here
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).
Click here
(2) Steering angle setting.
Click here
|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Chassis > Rear Camera > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Chassis > Rear Camera > Trouble CodesHINT:
- If DTC C1611 is output, perform the procedure to allow the rear television camera assembly to store the vehicle information again.
- If DTC C1611 is still output after performing the procedure to make the rear television camera assembly store the vehicle information 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 |
READ NEXT:
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DESCRIPTION This DTC is stored if the parking assist ECU judges that there is an internal malfunction as a result of its self check. HINT: The parking assist ECU stores different types of information
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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 parking assi
Open or Short Circuit in Back Camera Signal (C1622)
DESCRIPTION DTC C1622 is stored if the parking assist ECU judges as a result of its self check that the signals or signal lines between the parking assist ECU and the rear television camera assembly a
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT TILT AND TELESCOPIC SWITCH (a) Remove the tilt and telescopic switch. Click here (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (VC) - 3 (MSW) Tilt up
Stop Light Control Relay Malfunction (C1380)
DESCRIPTION When any of the following conditions are met, the skid control ECU (brake booster with master cylinder assembly) sets the drive output (STPO) ON which operates the stop light control relay (stop light switch assembly) and turns on the stop lights. Illumination Conditions:
Pre-collisio
