- Harness or connector
- Rear television camera assembly
- Radio and display receiver assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018JAU |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: C1621; Back Camera Power Supply Failure; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
DTC |
C1621 |
Back Camera Power Supply Failure |
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 radio and display assembly are not normal.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1621 |
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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![2018 - 2020 MY Sienna [11/2017 - ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: CALIBRATION](/t3Portal/stylegraphics/info.gif)
-
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) |
(a) Disconnect the D196 radio and display receiver assembly connector.
(b) Disconnect the W30 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 |
|---|---|---|
|
D196-30 (CA+) - W30-6 (CB+) |
Always |
Below 1 Ω |
|
D196-27 (CGND) - W30-5 (CGND) |
Always |
Below 1 Ω |
|
D196-30 (CA+) or W30-6 (CB+) - Body ground |
Always |
10 kΩ or higher |
|
D196-27 (CGND) or W30-5 (CGND) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Reconnect the radio and display receiver 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 |
|---|---|---|
|
D196-30 (CA+) - D196-27 (CGND) |
Engine switch on (ACC) |
5.5 to 7.05 V |
| OK |
|
| NG |
|
|
|