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

DOOR / HATCH  POWER BACK DOOR SYSTEM  Close & Lock Function does not Operate  


DESCRIPTION

The door control switch signal is sent to the multiplex network door ECU. If the power back door system does not operate when the door control switch is operated, the door control switch assembly circuit may be malfunctioning.

WIRING DIAGRAM

B556244E13
4.385,1.979 4.844,2.177 0.458,0.198 10 false T12 1.365,1.49 1.823,1.688 0.458,0.198 10 false T17 1.229,0.927 1.385,1.125 0.156,0.198 10 false 2 3.229,0.927 3.385,1.125 0.156,0.198 10 false 5 4.531,0.938 5.146,1.135 0.615,0.198 10 false CLSW 1.365,1.656 3.656,1.854 2.292,0.198 10 false Door Control Switch Assembly 5.135,1.073 5.75,1.271 0.615,0.198 10 false CPU 4.385,2.156 6.167,2.479 1.781,0.323 10 false Multiplex Network Door ECU 4.26,0.927 4.573,1.125 0.313,0.198 10 false 10 1.448,0.938 1.604,1.135 0.156,0.198 10 false E 2.75,0.938 3.365,1.135 0.615,0.198 10 false CLLS

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

·

Check the smart entry and start system (for Entry Function) first before troubleshooting the power back door system.

for HV Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Entry Function, Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING



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
Close and Lock Switch Door control switch signal ON or OFF ON: Door control switch pressed
OFF: Door control switch not pressed 		-
Body Electrical > Back Door > Data List
Tester Display
Close and Lock Switch
50003 489 1050
OK:

The display is as specified in the normal condition column.



OK:
Proceed to
OK
NG



OK

REPLACE MULTIPLEX NETWORK DOOR ECU

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


NG

2.INSPECT DOOR CONTROL SWITCH ASSEMBLY
2.INSPECT DOOR CONTROL SWITCH ASSEMBLY

Click hereVehicle Exterior>DOOR / HATCH>RESERVE LOCK SWITCH>INSPECTION

OK:
Proceed to
OK
NG



OK

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

NG

REPLACE DOOR CONTROL SWITCH ASSEMBLY

Click hereVehicle Exterior>DOOR / HATCH>RESERVE LOCK SWITCH>REMOVAL


3.CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH ASSEMBLY - 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(T17,T12)Location & Routing

Click Connector(T17)Body>No. 1 Back Door Wire>Door Control Switch Assembly (Power Back Door Reverse Lock Switch)

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

T17-5 (CLLS) - T12-10 (CLSW) Always Below 1 Ω
T17-2 (E) - Body ground Always Below 1 Ω
T17-5 (CLLS) or T12-10 (CLSW) - Body ground Always 10 kΩ or higher



OK:
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