| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018J5E |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: C1686; Driver Side Camera Video Sync Signal Malfunction; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
DTC |
C1686 |
Driver Side Camera Video Sync Signal Malfunction |
DESCRIPTION
This DTC is stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the driver side television camera assembly to the parking assist ECU.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1686 |
Driver Side Camera Video Sync Signal Malfunction |
Side camera feedback malfunction |
|
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.
-
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.
Click here
![2018 - 2020 MY Sienna [11/2017 - ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
OK:
DTC C1686 is not output.
| OK |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR ASSEMBLY LH) |
(a) Disconnect the D201 parking assist ECU connector.
(b) Disconnect the H17 outer rear view mirror assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D201-12 (LCB+) - H17-21 (DCB+) |
Always |
Below 1 Ω |
|
D201-10 (LCV+) - H17-10 (DCV+) |
Always |
Below 1 Ω |
|
D201-34 (LCV-) - H17-11 (DCV-) |
Always |
Below 1 Ω |
|
D201-35 (LGND) - H17-22 (DGND) |
Always |
Below 1 Ω |
|
D201-11 (SGND) - Body ground |
Always |
10 kΩ or higher |
|
D201-12 (LCB+) or H17-21 (DCB+) - Body ground |
Always |
10 kΩ or higher |
|
D201-10 (LCV+) or H17-10 (DCV+) - Body ground |
Always |
10 kΩ or higher |
|
D201-34 (LCV-) or H17-11 (DCV-) - Body ground |
Always |
10 kΩ or higher |
|
D201-35 (LGND) or H17-22 (DGND) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK PARKING ASSIST ECU (LCV-, LGND) |
(a) Disconnect the D201 parking assist ECU connector.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG |
|
|
|
4. |
CHECK PARKING ASSIST ECU (LCB+, LGND) |
|
(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 |
|---|---|---|
|
D201-35 (LGND) - 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 |
|---|---|---|
|
D201-12 (LCB+) - D201-35 (LGND) |
Engine switch on (IG) |
5.5 to 7.05 V |
| NG |
|
|
|
5. |
CHECK SIDE TELEVISION CAMERA ASSEMBLY LH (LCV+, LGND) |
(a) Remove the parking assist ECU with the connector still connected.
(b) Using an oscilloscope, check the waveform of the side television camera assembly LH.
HINT:
A waterproof connector is used for the side television camera assembly LH. Therefore, inspect the waveform at the parking assist ECU with the connector connected.
|
*a |
Component with harness connected (Parking Assist ECU) |
*b |
Waveform 1 (camera lens not covered, displaying an image) |
|
*c |
Waveform 2 (camera lens covered, blacking out the screen) |
*d |
Synchronization Signal |
|
*e |
Video Waveform |
- |
- |
HINT:
- The video waveform changes according to the image sent by the side television camera assembly LH.
- The video waveform is constantly output when the engine switch is on (ACC).
Measurement Condition
|
Item |
Content |
|---|---|
|
Tester Connection |
D201-10 (LCV+) - D201-35 (LGND) |
|
Tool Setting |
200 mV/DIV., 50 μs./DIV. |
|
Condition |
Engine switch on (IG), panoramic view monitor system operating |
OK:
Waveform is similar to that shown in illustration.
| OK |
|
|
|
6. |
CHECK SIDE TELEVISION CAMERA ASSEMBLY LH |
(a) Replace the side television camera assembly LH with a new or known good one.
Click here
|
|
7. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
OK:
DTC C1686 is not output.
| OK |
|
END (SIDE TELEVISION CAMERA ASSEMBLY LH IS DEFECTIVE) |
| NG |
|
|
|