Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Back Camera Initialization Incomplete (C1691)
DESCRIPTION
This DTC is stored when the rear television camera assembly judges that the back camera initial setting has not been memorized (rear television camera assembly optical axis adjustment (back camera position setting) is incomplete).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1691 | Back Camera Initialization Incomplete | Back camera initial setting has not been memorized (rear television camera assembly optical axis adjustment (back camera position setting) is incomplete) |
|
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. | 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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|
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| 2. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
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(b) Recheck for DTCs and check that no DTCs are output.
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HINT:
- If DTC C1691 is output, perform the rear television camera assembly optical axis adjustment (back camera position setting) again.
- If DTC C1691 is still output after performing the rear television camera assembly optical axis adjustment 3 times, replace the rear television camera assembly.
| Result | Proceed to |
|---|---|
| DTC C1691 is output | A |
| DTC C1691 is not output | B |
| A |  | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | END |
Vehicle Information Unmatched (C168D)
DESCRIPTION This DTC is stored if the rear television camera assembly judges as a result of its self check that the vehicle information received from the main body ECU (multiplex network body ECU) via ...
Steering Angle Initialization Incomplete (C1694)
DESCRIPTION This DTC is stored when the rear television camera assembly judges that the maximum steering angle has not been memorized (steering angle setting is incomplete). DTC No. Detection Ite ...
Other materials:
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DEFINITION OF TERMS Term Definition Monitor description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic. ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lane Control System: Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)
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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
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