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.
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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 | .gif) | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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| 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:
|
|
(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)
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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
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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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Panoramic View Monitor System DTC No. Detection Item DTC Detection Condition Link C1611 ECU Malfunction When any of the following conditions is met:
EEPROM status (Initial read) malfunction
CPU communication malfunction
Video output malfunction
System Description
SYSTEM DESCRIPTION GENERAL (a) This system has front, passenger side, driver side and rear television camera assemblies mounted around the vehicle to display around the vehicle on the multi-display assembly. The display panel also shows a composite view consisting of the area behind the vehicle and
