Lexus ES: 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-display assembly are not normal.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1621 | Back Camera Power Supply Failure | Rear television camera assembly power supply failure |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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 .gif)
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the G22 multi-display assembly connector.
(b) Disconnect the T1 rear television camera assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G22-10 (CA+) - T1-6 (CB+) | Always | Below 1 Ω |
| G22-21 (CGND) - T1-5 (CGND) | Always | Below 1 Ω |
| G22-10 (CA+) or T1-6 (CB+) - Body ground | Always | 10 kΩ or higher |
| G22-21 (CGND) or T1-5 (CGND) - Body ground | Always | 10 kΩ or higher |
| NG |  | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 2. | INSPECT MULTI-DISPLAY ASSEMBLY |
(a) Reconnect the G22 multi-display assembly connector.
| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
.png)
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G22-10 (CA+) - G22-21 (CGND) | Engine switch on (ACC) | 5.5 to 7.05 V |
| OK | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| NG | | REPLACE MULTI-DISPLAY ASSEMBLY |
READ NEXT:
Back Camera Disconnected (C1622)
DESCRIPTION This DTC is stored if the radio receiver assembly judges that the signals or signal lines between the rear television camera assembly and the multi-display assembly are not normal as a res
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:
Cruise Main Indicator Light Circuit
DESCRIPTION When the dynamic radar cruise control system is turned on using the cruise control main switch, the cruise control indicator (vehicle-to-vehicle distance control mode) illuminates. The hybrid vehicle control ECU uses this and other indicators to indicate the status (presence or absence o
Customize Parameters
CUSTOMIZE PARAMETERS NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a function, first make sure that the function is set to the default sett
