RM35X0E _56 Audio / Visual / Telematics _079315 PARK ASSIST / MONITORING _0396274 PANORAMIC VIEW MONITOR SYSTEM C

PARK ASSIST / MONITORING  PANORAMIC VIEW MONITOR SYSTEM  C1681  Front Camera Feedback 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 front television camera assembly to the parking assist ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1681 Front Camera Feedback Malfunction Front television camera power supply failure
·

Harness or connector

·

Front television camera assembly

·

Parking assist ECU

·

Television camera wire



WIRING DIAGRAM

E419394E01
5.531,3.083 7.021,3.49 1.49,0.406 10 false Parking Assist ECU 5.531,2.917 5.99,3.115 0.458,0.198 10 false N151 5.563,0.604 6.021,0.802 0.458,0.198 10 false BCB+ 5.552,1.115 6.01,1.313 0.458,0.198 10 false BCV+ 5.552,1.594 6.01,1.792 0.458,0.198 10 false BCV- 5.302,0.5 5.74,0.698 0.438,0.198 10 false 7 5.24,0.969 5.677,1.167 0.438,0.198 10 false 33 5.229,1.479 5.667,1.677 0.438,0.198 10 false 10 5.542,2.031 6.177,2.24 0.635,0.208 10 false BGND 5.24,1.938 5.677,2.135 0.438,0.198 10 false 24 5.24,2.302 5.677,2.5 0.438,0.198 10 false 34 5.563,2.406 6.198,2.615 0.635,0.208 10 false SGND 0.104,2.688 0.563,2.885 0.458,0.198 10 false A52 0.094,2.844 1.573,3.281 1.479,0.438 10 false Front Television Camera Assembly 1.177,0.604 1.635,0.802 0.458,0.198 10 false BCB+ 1.188,1.104 1.646,1.302 0.458,0.198 10 false BCV+ 1.208,1.604 1.667,1.802 0.458,0.198 10 false BCV- 1.167,2.052 1.802,2.26 0.635,0.208 10 false BGND 1.75,0.521 2.188,0.719 0.438,0.198 10 false 6 1.719,1.01 2.156,1.208 0.438,0.198 10 false 3 1.74,1.469 2.177,1.667 0.438,0.198 10 false 2 1.75,1.938 2.188,2.135 0.438,0.198 10 false 5 4.021,2.302 4.177,2.5 0.156,0.198 10 false * 0.344,3.417 1.688,3.615 1.344,0.198 10 false *: Shielded 1.688,2.719 3.167,3.156 1.479,0.438 10 false Television Camera Wire 2.427,0.531 2.885,0.729 0.458,0.198 10 false BCB+ 2.375,1 2.833,1.198 0.458,0.198 10 false BCV+ 2.396,1.479 2.854,1.677 0.458,0.198 10 false BCV- 2.385,1.927 3.021,2.135 0.635,0.208 10 false BGND 2.979,0.51 3.417,0.708 0.438,0.198 10 false 6 2.969,1.927 3.406,2.125 0.438,0.198 10 false 5 2.948,0.979 3.385,1.177 0.438,0.198 10 false 3 2.958,1.469 3.396,1.667 0.438,0.198 10 false 2

CAUTION / NOTICE / HINT

NOTICE:
·

When the "!" mark is displayed on the multi-display after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PANORAMIC VIEW MONITOR SYSTEM>INITIALIZATION

·

Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as panoramic view monitor system may be needed.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PANORAMIC VIEW MONITOR SYSTEM>CALIBRATION



PROCEDURE

1.INSPECT TELEVISION CAMERA WIRE
a.
E419395C01
1.469,0.25 1.969,0.573 0.5,0.323 2.479,2.115 2.281,2.115 2.281,2.115 1.865,1.521 true 2.635,0.698 2.438,0.698 2.438,0.698 1.896,1.281 true 1.708,1.531 1.385,2.188 1.385,2.188 1.219,2.188 true 1.688,1.25 1.021,0.479 1.021,0.479 0.854,0.479 true 1.531,3.583 1.01,4.135 1.01,4.135 0.844,4.135 true 1.542,3.375 1.01,3.083 1.01,3.083 0.844,3.083 true 2.458,2.719 2.26,2.719 2.26,2.719 1.719,3.302 true 2.396,4.333 2.198,4.333 2.198,4.333 1.75,3.583 true 1.583,0.344 2.042,0.542 0.458,0.198 10 false A52 2.583,2.073 3.156,2.24 0.573,0.167 10 false BCB+ 0.781,2.115 1.354,2.281 0.573,0.167 10 false BGND 0.448,0.396 1.021,0.563 0.573,0.167 10 false BCV- 2.719,0.594 3.292,0.76 0.573,0.167 10 false BCV+ 0.458,3 1.031,3.167 0.573,0.167 10 false BCV+ 0.417,4.052 0.99,4.219 0.573,0.167 10 false BCB+ 2.5,2.635 3.073,2.802 0.573,0.167 10 false BCV- 2.5,4.281 3.073,4.448 0.573,0.167 10 false BGND 0.25,0.156 0.823,0.323 0.573,0.167 10 false *a 0.292,2.667 0.865,2.833 0.573,0.167 10 false *b
*a Front view of television camera wire
(to Front Television Camera Assembly)
*b Front view of television camera wire
(to Vehicle Harness Connector)


Remove the television camera wire.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TELEVISION CAMERA (for Front)>REMOVAL


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
A52-6 (BCB+) - 6 (BCB+) Always Below 1 Ω
A52-3 (BCV+) - 3 (BCV+) Always Below 1 Ω
A52-2 (BCV-) - 2 (BCV+) Always Below 1 Ω
A52-5 (BGND) - 5 (BGND) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT TELEVISION CAMERA ASSEMBLY)

NG

REPLACE TELEVISION CAMERA WIRE

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TELEVISION CAMERA (for Front)>REMOVAL


2.CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT TELEVISION CAMERA ASSEMBLY)
a.

Disconnect the N151 parking assist ECU connector.


b.

Disconnect the A52 front television camera assembly connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N151-7 (BCB+) - A52-6 (BCB+) Always Below 1 Ω
N151-33 (BCV+) - A52-3 (BCV+) Always Below 1 Ω
N151-10 (BCV-) - A52-2 (BCV-) Always Below 1 Ω
N151-24 (BGND) - A52-5 (BGND) Always Below 1 Ω
N151-34 (SGND) - Body ground Always Below 1 Ω
N151-7 (BCB+) or A52-6 (BCB+) - Body ground Always 10 kΩ or higher
N151-33 (BCV+) or A52-3 (BCV+) - Body ground Always 10 kΩ or higher
N151-10 (BCV-) or A52-2 (BCV-) - Body ground Always 10 kΩ or higher
N151-24 (BGND) or A52-5 (BGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.CHECK PARKING ASSIST ECU (BCV-, BGND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK PARKING ASSIST ECU (BCV-, BGND)
a.
E330226C74
1.729,1.802 1.896,1.802 1.896,1.802 2.042,1.156 true 1.073,0.427 1.24,0.427 1.24,0.427 1.406,0.979 true 0.115,0.094 0.427,0.25 0.313,0.156 10 false *a 1.24,1.708 1.75,1.906 0.51,0.198 10 false BGND 0.667,0.344 1.167,0.5 0.5,0.156 10 false BCV-
*a Component without harness connected
(Parking Assist ECU)


Disconnect the N151 parking assist ECU connector.


b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
24 (BGND) - Body ground Always Below 1 Ω
10 (BCV-) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

4.CHECK PARKING ASSIST ECU (BCB+, BGND)

NG

REPLACE PARKING ASSIST ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING ASSIST ECU>REMOVAL


4.CHECK PARKING ASSIST ECU (BCB+, BGND)
a.
E348000C28
1.521,0.365 1.917,0.604 0.396,0.24 2.292,1.135 2.333,0.354 2.333,0.354 2.458,0.354 true 2.26,1.302 1.615,2.021 1.615,2.021 1.521,2.031 true 1.552,0.406 1.927,0.573 0.375,0.167 10 false N151 0.115,0.063 0.313,0.24 0.198,0.177 10 false *a 2.51,0.281 2.927,0.438 0.417,0.156 10 false BCB+ 1.104,1.958 1.521,2.115 0.417,0.156 10 false BGND
*a Component with harness connected
(Parking Assist ECU)


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N151-24 (BGND) - Body ground Always Below 1 Ω



b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N151-7 (BCB+) - N151-24 (BGND) Engine switch on (IG) 5.5 to 7.05 V
N151-7 (BCB+) - N151-24 (BGND) Engine switch off Below 1 V



Result:
Proceed to
OK
NG



OK

5.CHECK FRONT TELEVISION CAMERA ASSEMBLY (BCV+, BGND)

NG

REPLACE PARKING ASSIST ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING ASSIST ECU>REMOVAL


5.CHECK FRONT TELEVISION CAMERA ASSEMBLY (BCV+, BGND)
a.

Using an oscilloscope, check the waveform of the front television camera assembly.

HINT:

A waterproof connector is used for the front television camera assembly. Therefore, inspect the waveform at the parking assist ECU with the connector connected.


E349540C07
1.25,0.542 1.625,0.792 0.375,0.25 0.865,2.49 0.708,2.49 0.708,2.49 1.198,1.427 true 1.573,2.271 1.417,2.271 1.417,2.271 1.813,1.427 true 3.323,2.427 3.167,2.427 3.167,2.427 3.448,1.833 true 3.813,2.5 3.688,2.5 3.688,2.5 3.552,1.792 true 5.531,2.292 5.375,2.292 5.375,2.292 5.656,1.698 true 6.052,2.344 5.927,2.344 5.927,2.344 5.792,1.635 true 1.281,0.583 1.635,0.75 0.354,0.167 10 false N151 0.188,0.271 0.385,0.448 0.198,0.177 10 false *a 0.906,2.406 1.344,2.583 0.438,0.177 10 false BCV+ 1.625,2.188 2.042,2.354 0.417,0.167 10 false BGND 2.979,0.24 3.177,0.417 0.198,0.177 10 false *b 2.698,1.281 3.052,1.448 0.354,0.167 10 false GND 5.135,0.229 5.333,0.406 0.198,0.177 10 false *c 4.844,1.281 5.198,1.448 0.354,0.167 10 false GND 3.344,2.344 3.542,2.521 0.198,0.177 10 false *d 3.865,2.427 4.063,2.604 0.198,0.177 10 false *e 5.573,2.219 5.771,2.396 0.198,0.177 10 false *d 6.094,2.271 6.292,2.448 0.198,0.177 10 false *e
*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 front television camera assembly.

·

The video waveform is constantly output when the engine switch is on (ACC).



Measurement Condition
Item Content
Terminal No. (Symbol) N151-33 (BCV+) - N151-24 (BGND)
Tool Setting 200 mV/DIV., 50 μsec./DIV.
Condition Engine switch on (IG), panoramic view monitor switch on

OK:

Waveform is similar to that shown in the illustration.



Result:
Proceed to
OK
NG



OK

REPLACE PARKING ASSIST ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING ASSIST ECU>REMOVAL


NG

REPLACE FRONT TELEVISION CAMERA ASSEMBLY

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TELEVISION CAMERA (for Front)>REMOVAL