RM38T0EC _59 Vehicle Exterior _113746 DOOR / HATCH _0504731 POWER BACK DOOR SYSTEM J

DOOR / HATCH  POWER BACK DOOR SYSTEM  Jam Protection Function Activates During Power Back Door Operation  


DESCRIPTION

When the jam protection function activates during power back door operation, one of the following may be the cause: 1) improper fit of back door, or a foreign object is stuck in the back door, 2) malfunctioning power back door sensor assembly circuit or 3) malfunctioning multiplex network door ECU.

WIRING DIAGRAM

E442433E10
5.063,0.406 5.521,0.604 0.458,0.198 10 false U22 6.073,0.448 6.531,0.646 0.458,0.198 10 false DS1 6.094,0.875 6.552,1.073 0.458,0.198 10 false DS2 6.094,1.323 6.552,1.521 0.458,0.198 10 false DSV 5.063,0.875 5.521,1.073 0.458,0.198 10 false U22 5.063,1.333 5.521,1.531 0.458,0.198 10 false U22 5.063,1.792 5.521,1.99 0.458,0.198 10 false U21 5.063,2.25 5.521,2.448 0.458,0.198 10 false U21 5.063,2.708 5.521,2.906 0.458,0.198 10 false U22 6.073,1.813 6.531,2.01 0.458,0.198 10 false BD+ 6.083,2.281 6.542,2.479 0.458,0.198 10 false BD- 6.073,2.729 6.531,2.927 0.458,0.198 10 false DSG 5.677,2.958 6.135,3.156 0.458,0.198 10 false U14 4.688,0.323 5.146,0.521 0.458,0.198 10 false DS1 4.688,0.771 5.146,0.969 0.458,0.198 10 false DS2 4.677,1.24 5.135,1.438 0.458,0.198 10 false DSV 4.698,1.698 5.156,1.896 0.458,0.198 10 false BD+ 4.677,2.156 5.135,2.354 0.458,0.198 10 false BD- 4.667,2.615 5.125,2.813 0.458,0.198 10 false DSG 3.573,3.385 4.031,3.583 0.458,0.198 10 false CPU 5.844,0.292 6,0.49 0.156,0.198 10 false 5 5.844,0.76 6,0.958 0.156,0.198 10 false 6 5.854,1.229 6.01,1.427 0.156,0.198 10 false 3 5.854,1.677 6.01,1.875 0.156,0.198 10 false 2 5.844,2.146 6,2.344 0.156,0.198 10 false 1 5.854,2.604 6.01,2.802 0.156,0.198 10 false 4 2.531,1.552 2.844,1.75 0.313,0.198 10 false 26 5.125,1.125 5.438,1.323 0.313,0.198 10 false 25 5.104,2.5 5.417,2.698 0.313,0.198 10 false 21 5.135,0.188 5.438,0.385 0.302,0.198 10 false 1 5.156,0.656 5.313,0.854 0.156,0.198 10 false 2 5.146,2.031 5.302,2.229 0.156,0.198 10 false 7 5.135,1.583 5.292,1.781 0.156,0.198 10 false 6 5.698,3.104 7.073,3.49 1.375,0.385 10 false Power Back Door Unit Assembly Set LH 2.5,1.771 2.958,1.969 0.458,0.198 10 false U22 2.5,3.469 2.958,3.667 0.458,0.198 10 false U22 2.49,5.083 2.948,5.281 0.458,0.198 10 false U22 2.542,4.865 2.854,5.063 0.313,0.198 10 false 24 2.583,3.25 2.74,3.448 0.156,0.198 10 false 6 2.854,1.677 3.313,1.875 0.458,0.198 10 false OSL 1.677,1.646 2.135,1.844 0.458,0.198 10 false OSL 0.74,1.615 1.198,1.813 0.458,0.198 10 false OSLE 0.74,3.354 1.198,3.552 0.458,0.198 10 false OSRE 1.688,3.354 2.146,3.552 0.458,0.198 10 false OSR 2.865,3.375 3.323,3.573 0.458,0.198 10 false OSR 2.865,4.99 3.323,5.188 0.458,0.198 10 false OSE 2.104,1.656 2.26,1.854 0.156,0.198 10 false 1 2.094,3.365 2.25,3.563 0.156,0.198 10 false 1 0.51,1.646 0.667,1.844 0.156,0.198 10 false 2 0.521,3.354 0.677,3.552 0.156,0.198 10 false 2 0.292,2.427 3.042,2.625 2.75,0.198 10 false Power Back Door Sensor Assembly LH 0.281,2.271 0.74,2.469 0.458,0.198 10 false U16 5.063,4.073 5.521,4.271 0.458,0.198 10 false U22 5.063,4.542 5.521,4.74 0.458,0.198 10 false U22 5.063,5 5.521,5.198 0.458,0.198 10 false U22 5.052,6.375 5.51,6.573 0.458,0.198 10 false U22 5.063,5.458 5.521,5.656 0.458,0.198 10 false U21 5.073,5.917 5.531,6.115 0.458,0.198 10 false U21 0.229,4.01 0.688,4.208 0.458,0.198 10 false U15 6.073,4.104 6.531,4.302 0.458,0.198 10 false DS12 6.083,4.573 6.542,4.771 0.458,0.198 10 false DS22 6.104,5.031 6.563,5.229 0.458,0.198 10 false DSV2 6.073,5.5 6.531,5.698 0.458,0.198 10 false BD+2 6.094,5.958 6.552,6.156 0.458,0.198 10 false BD-2 6.073,6.406 6.531,6.604 0.458,0.198 10 false DSG2 5.719,6.635 6.177,6.833 0.458,0.198 10 false U13 5.729,6.802 7.115,7.177 1.385,0.375 10 false Power Back Door Unit Assembly Set RH 4.615,3.958 5.073,4.156 0.458,0.198 10 false DS12 4.615,4.427 5.073,4.625 0.458,0.198 10 false DS22 4.604,4.906 5.063,5.104 0.458,0.198 10 false DSV2 4.594,5.344 5.052,5.542 0.458,0.198 10 false BD+2 4.646,5.823 5.104,6.021 0.458,0.198 10 false BD-2 4.583,6.281 5.042,6.479 0.458,0.198 10 false DSG2 5.833,6.271 5.99,6.469 0.156,0.198 10 false 4 5.823,5.813 5.979,6.01 0.156,0.198 10 false 1 5.844,5.323 6,5.521 0.156,0.198 10 false 2 5.844,4.885 6,5.083 0.156,0.198 10 false 3 5.844,4.438 6,4.635 0.156,0.198 10 false 6 5.844,3.979 6,4.177 0.156,0.198 10 false 5 2.948,6.917 6.313,7.115 3.365,0.198 10 false Multiplex Network Door ECU 5.146,3.885 5.302,4.083 0.156,0.198 10 false 3 5.125,4.333 5.479,4.542 0.354,0.208 10 false 4 5.146,4.792 5.302,4.99 0.156,0.198 10 false 5 5.135,5.24 5.292,5.438 0.156,0.198 10 false 8 5.125,5.698 5.281,5.896 0.156,0.198 10 false 9 5.104,6.156 5.417,6.354 0.313,0.198 10 false 19 0.229,4.156 2.979,4.354 2.75,0.198 10 false Power Back Door Sensor Assembly RH 4.135,1.156 4.448,1.354 0.313,0.198 10 false +B 4.125,4.833 4.438,5.031 0.313,0.198 10 false +B

CAUTION / NOTICE / HINT

NOTICE:

If the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>INITIALIZATION


PROCEDURE

1.CHECK POWER BACK DOOR SYSTEM
a.

Check if there are any foreign objects interfering with back door operation.


Result:
Result Proceed to
There are no foreign objects A
There are foreign objects B



A

2.CHECK BACK DOOR OPERATION

B

REMOVE FOREIGN OBJECT

2.CHECK BACK DOOR OPERATION
a.

Check back door operation.

i.

Turn the main switch so that it is not pushed.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>CUSTOMIZE PARAMETERS

NOTICE:

This check is possible only when the "System Settings" customization setting using the multi-information display in the combination meter assembly is set to "Off" (The default setting is "On").



ii.

Open/close the back door by hand.



Result:
Result Proceed to
The back door fully opens and closes smoothly A
The back door does not fully open and close smoothly B


b.

Check main switch condition.

NOTICE:

The "System Settings" customization setting using the multi-information display in the combination meter assembly is set to "On" (The default setting is "On").


i.

Turn the main switch so that it is pushed.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>CUSTOMIZE PARAMETERS




A

3.READ VALUE USING GTS

B

6.CHECK POWER BACK DOOR UNIT ASSEMBLY SET
3.READ VALUE USING GTS
a.

Check the Data List to determine if the power back door sensor assembly functions properly.

Body Electrical > Back Door > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
PBD Touch Sensor RH Power back door sensor assembly RH signal ON, OFF or Open ON: Power back door sensor assembly RH pressed
OFF: Power back door sensor assembly RH not pressed
Open: Power back door sensor assembly RH circuit open 		-
PBD Touch Sensor LH Power back door sensor assembly LH signal ON, OFF or Open ON: Power back door sensor assembly LH pressed
OFF: Power back door sensor assembly LH not pressed
Open: Power back door sensor assembly LH circuit open 		-
Body Electrical > Back Door > Data List
Tester Display
PBD Touch Sensor RH
PBD Touch Sensor LH
50003 489 1057,1058

Result:
Result Proceed to
On the GTS screen, ON or OFF is displayed accordingly A
On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH B
On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH C



A

4.REPLACE POWER BACK DOOR UNIT ASSEMBLY SET

B

7.INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH

C

9.INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH
4.REPLACE POWER BACK DOOR UNIT ASSEMBLY SET
a.

Temporarily replace the power back door unit assembly set with a new or normally functioning one.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR DRIVE UNIT>REMOVAL


Result:
Proceed to
NEXT



NEXT

5.CHECK POWER BACK DOOR SYSTEM
5.CHECK POWER BACK DOOR SYSTEM
a.

Check power back door system operation.

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR SYSTEM>OPERATION CHECK

OK:

Power back door system operates normally.



Result:
Proceed to
OK
NG



OK

END (POWER BACK DOOR UNIT ASSEMBLY SET WAS DEFECTIVE)

NG

REPLACE MULTIPLEX NETWORK DOOR ECU

Click hereVehicle Exterior>DOOR / HATCH>BACK DOOR CLOSER ECU>REMOVAL


6.CHECK POWER BACK DOOR UNIT ASSEMBLY SET
a.

Visually inspect the power back door unit assembly set and check that there is no obvious damage, bending, oil leakage, etc.

OK:

The power back door unit assembly set has no obvious damage, bending, oil leakage, etc.



Result:
Proceed to
OK
NG



OK

ADJUST BACK DOOR

NG

REPLACE POWER BACK DOOR UNIT ASSEMBLY SET

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR DRIVE UNIT>REMOVAL


7.INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR TOUCH SENSOR>INSPECTION

Result:
Proceed to
OK
NG



OK

8.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)

NG

REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR TOUCH SENSOR>REMOVAL


8.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)
a.

Disconnect the U15 power back door sensor assembly RH connector.


b.

Disconnect the U22 multiplex network door ECU connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
U15-1 (OSR) - U22-6 (OSR) Always Below 1 Ω
U15-2 (OSRE) - U22-24 (OSE) Always Below 1 Ω
U15-1 (OSR) or U22-6 (OSR) - Body ground Always 10 kΩ or higher
U15-2 (OSRE) or U22-24 (OSE) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MULTIPLEX NETWORK DOOR ECU

Click hereVehicle Exterior>DOOR / HATCH>BACK DOOR CLOSER ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR TOUCH SENSOR>INSPECTION

Result:
Proceed to
OK
NG



OK

10.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)

NG

REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH

Click hereVehicle Exterior>DOOR / HATCH>POWER BACK DOOR TOUCH SENSOR>REMOVAL


10.CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)
a.

Disconnect the U16 power back door sensor assembly LH connector.


b.

Disconnect the U22 multiplex network door ECU connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
U16-1 (OSL) - U22-26 (OSL) Always Below 1 Ω
U16-2 (OSLE) - U22-24 (OSE) Always Below 1 Ω
U16-1 (OSL) or U22-26 (OSL) - Body ground Always 10 kΩ or higher
U16-2 (OSLE) or U22-24 (OSE) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MULTIPLEX NETWORK DOOR ECU

Click hereVehicle Exterior>DOOR / HATCH>BACK DOOR CLOSER ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR