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

PARK ASSIST / MONITORING  PANORAMIC VIEW MONITOR SYSTEM  C1622  Open or Short Circuit in Back Camera Signal  


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 parking assist ECU and the television camera assembly are not normal.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1622 Open or Short Circuit in Back Camera Signal Open or short in the television camera signal circuit
·

Harness or connector

·

Television camera assembly

·

Parking assist ECU



WIRING DIAGRAM

E419393E01
5.521,3.073 7.052,3.448 1.531,0.375 10 false Parking Assist ECU 5.542,2.906 6,3.104 0.458,0.198 10 false N151 5.563,0.615 6.021,0.813 0.458,0.198 10 false CB+ 5.552,1.125 6.01,1.323 0.458,0.198 10 false CV+ 5.594,1.615 6.052,1.813 0.458,0.198 10 false CV- 5.302,0.51 5.74,0.708 0.438,0.198 10 false 8 5.24,0.969 5.677,1.167 0.438,0.198 10 false 11 5.229,1.479 5.667,1.677 0.438,0.198 10 false 35 5.542,2.073 6.177,2.281 0.635,0.208 10 false CGND 5.24,1.938 5.677,2.135 0.438,0.198 10 false 25 5.25,2.302 5.688,2.5 0.438,0.198 10 false 12 5.563,2.448 6.198,2.656 0.635,0.208 10 false SGND 0.385,2.885 0.844,3.083 0.458,0.198 10 false i6 0.385,3.073 2.49,3.302 2.104,0.229 10 false Television Camera Assembly 1.292,0.646 1.75,0.844 0.458,0.198 10 false CB+ 1.281,1.115 1.74,1.313 0.458,0.198 10 false CV+ 1.26,1.625 1.719,1.823 0.458,0.198 10 false CV- 1.167,2.083 1.802,2.292 0.635,0.208 10 false CGND 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 3.521,2.365 3.677,2.563 0.156,0.198 10 false * 0.333,3.417 1.854,3.677 1.521,0.26 10 false *: Shielded 1.188,2.458 1.823,2.667 0.635,0.208 10 false CURT 1.75,2.302 2.188,2.5 0.438,0.198 10 false 1

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 the panoramic view monitor system may be needed.

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



PROCEDURE

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

Disconnect the N151 parking assist ECU connector.


b.

Disconnect the i6 television camera assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N151-8 (CB+) - i6-6 (CB+) Always Below 1 Ω
N151-11 (CV+) - i6-3 (CV+) Always Below 1 Ω
N151-35 (CV-) - i6-2 (CV-) Always Below 1 Ω
N151-25 (CGND) - i6-5 (CGND) Always Below 1 Ω
N151-12 (SGND) - Body ground Always Below 1 Ω
i6-1 (CURT) - Body ground Always Below 1 Ω
N151-8 (CB+) or i6-6 (CB+) - Body ground Always 10 kΩ or higher
N151-11 (CV+) or i6-3 (CV+) - Body ground Always 10 kΩ or higher
N151-35 (CV-) or i6-2 (CV-) - Body ground Always 10 kΩ or higher
N151-25 (CGND) or i6-5 (CGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

2.CHECK PARKING ASSIST ECU (CV-, CGND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.CHECK PARKING ASSIST ECU (CV-, CGND)
a.
E330226C73
2.302,1.792 2.073,1.792 2.073,1.792 1.979,1.146 true 0.917,1.917 1.083,1.917 1.083,1.917 1.292,1.135 true 0.115,0.094 0.427,0.25 0.313,0.156 10 false *a 2.344,1.719 2.813,1.927 0.469,0.208 10 false CGND 0.594,1.823 1.094,1.979 0.5,0.156 10 false CV-
*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
35 (CV-) - Body ground Always Below 1 Ω
25 (CGND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.CHECK PARKING ASSIST ECU (CB+, CGND)

NG

REPLACE PARKING ASSIST ECU

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


3.CHECK PARKING ASSIST ECU (CB+, CGND)
a.
E348000C27
1.448,0.365 1.917,0.635 0.469,0.271 2.208,1.146 2.271,0.104 2.271,0.104 2.396,0.104 true 2.177,1.292 1.896,1.594 1.896,1.594 1.781,1.594 true 1.51,0.417 1.885,0.573 0.375,0.156 10 false N151 0.115,0.063 0.313,0.24 0.198,0.177 10 false *a 2.458,0.031 2.771,0.188 0.313,0.156 10 false CB+ 1.375,1.51 1.792,1.667 0.417,0.156 10 false CGND
*a Component with harness connected
(Parking Assist ECU)


Disconnect the television camera assembly.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N151-25 (CGND) - Body ground Always Below 1 Ω



c.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N151-8 (CB+) - N151-25 (CGND) Engine switch on (IG) 5.5 to 7.05 V
N151-8 (CB+) - N151-25 (CGND) Engine switch off Below 1 V



Result:
Proceed to
OK
NG



OK

4.CHECK TELEVISION CAMERA ASSEMBLY (CV+, CGND)

NG

REPLACE PARKING ASSIST ECU

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


4.CHECK TELEVISION CAMERA ASSEMBLY (CV+, CGND)
a.

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

HINT:

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


E349540C06
1.24,0.542 1.646,0.792 0.406,0.25 1.104,1.302 0.854,0.74 0.854,0.74 0.708,0.74 true 2.177,2.052 2.021,2.052 2.021,2.052 1.75,1.448 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 1.688,0.74 0.406,0.156 10 false N151 0.188,0.271 0.385,0.448 0.198,0.177 10 false *a 0.427,0.646 0.792,0.813 0.365,0.167 10 false CV+ 2.271,2.01 2.688,2.177 0.417,0.167 10 false CGND 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 television camera assembly.

·

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



Measurement Condition
Item Content
Terminal No. (Symbol) N151-11 (CV+) - N151-25 (CGND)
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 TELEVISION CAMERA ASSEMBLY

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