RM38N0EC _59 Vehicle Exterior _111831 DOOR / HATCH _0505274 POWER BACK DOOR SYSTEM J

DOOR / HATCH  POWER BACK DOOR SYSTEM  Power Back Door does not Operate Using Outside Switch  


DESCRIPTION

The multiplex network door ECU detects the status of the power back door control switch.

If the power back door does not operate when the power back door control switch is operated, there may be a malfunction in the power back door control switch circuit.

WIRING DIAGRAM

B556244E12
4.281,1.948 4.74,2.146 0.458,0.198 10 false T12 1.5,1.5 1.958,1.698 0.458,0.198 10 false T11 1.229,0.927 1.385,1.125 0.156,0.198 10 false 2 3.219,0.917 3.375,1.115 0.156,0.198 10 false 5 4.313,0.927 4.542,1.146 0.229,0.219 10 false 8 4.542,0.927 5.156,1.125 0.615,0.198 10 false BDDN 1.5,1.677 3.438,2.135 1.938,0.458 10 false Back Door Control Switch 5.167,1.063 5.781,1.26 0.615,0.198 10 false CPU 4.281,2.125 6.094,2.396 1.813,0.271 10 false Multiplex Network Door ECU 2.802,0.927 3.26,1.125 0.458,0.198 10 false CLS 1.458,0.927 1.615,1.125 0.156,0.198 10 false E

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.READ VALUE USING GTS
a.

Read the Data List according to the display on the GTS.

Body Electrical > Back Door > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
PBD Close Switch Power back door control switch assembly signal ON or OFF ON: Back door control switch assembly pushed
OFF: Back door control switch assembly not pushed
-
Body Electrical > Back Door > Data List
Tester Display
PBD Close Switch
50003 489 1038
OK:

The display is as specified in the normal condition column.



Result:
Proceed to
OK
NG



OK

NG

2.INSPECT BACK DOOR CONTROL SWITCH
2.INSPECT BACK DOOR CONTROL SWITCH

OK

3.CHECK HARNESS AND CONNECTOR (BACK DOOR CONTROL SWITCH - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND)

NG

3.CHECK HARNESS AND CONNECTOR (BACK DOOR CONTROL SWITCH - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND)
a.

Disconnect the T12 multiplex network door ECU connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(T11,T12)Location & Routing

Click Connector(T11)Body>No. 1 Back Door Wire>Back Door Control Switch

Click Connector(T12)Body>No. 1 Back Door Wire>Multiplex Network Door ECU

T11-5 (CLS) - T12-8 (BDDN) Always Below 1 Ω
T11-2 (E) - Body ground Always Below 1 Ω
T11-5 (CLS) or T12-8 (BDDN) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR