| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018J5H |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: PANORAMIC VIEW 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 parking assist ECU judges as a result of its self check that the signals or signal lines between the rear television camera assembly and parking assist ECU 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:
-
When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
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![2018 - 2020 MY Sienna [11/2017 - ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)
-
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.
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PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - PARKING ASSIST ECU) |
(a) Disconnect the W30 rear television camera assembly connector.
(b) Disconnect the D201 parking assist ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
W30-6 (CB+) - D201-33 (CB+) |
Always |
Below 1 Ω |
|
W30-5 (CGND) - D201-32 (CGND) |
Always |
Below 1 Ω |
|
W30-6 (CB+) or D201-33 (CB+) - Body ground |
Always |
10 kΩ or higher |
|
W30-5 (CGND) or D201-32 (CGND) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2. |
CHECK PARKING ASSIST ECU (CB+, CGND) |
|
(a) Remove the parking assist ECU with the connector still connected. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D201-32 (CGND) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D201-33 (CB+) - D201-32 (CGND) |
Engine switch on (IG) |
5.5 to 7.05 V |
| OK |
|
| NG |
|
|
|