RM38N0EC _58 Vehicle Interior _111830 DOOR LOCK _0505351 POWER DOOR LOCK CONTROL SYSTEM J

DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM  Only Back Door cannot be Opened  


DESCRIPTION

The main body ECU (multiplex network body ECU) receives signals from the back door opener switch assembly. When a signal received is the main body ECU (multiplex network body ECU) activates the back door lock motor.

WIRING DIAGRAM

B533169E08
1.333,0.604 1.49,0.802 0.156,0.198 10 false 2 1.521,0.604 2.01,0.854 0.49,0.25 10 false ACT- 2.729,0.615 3.219,0.865 0.49,0.25 10 false ACT+ 3.177,0.604 3.333,0.802 0.156,0.198 10 false 1 1.448,1.188 1.917,1.469 0.469,0.281 10 false T7 1.438,1.375 3.385,1.792 1.948,0.417 10 false Back Door Lock with Courtesy Light Switch Assembly 3.781,1.135 4.094,1.354 0.313,0.219 10 false 4E 4.156,0.521 4.469,0.74 0.313,0.219 10 false 39 3.781,1.313 5.208,1.76 1.427,0.448 10 false Power Distribution Box Assembly 5.385,0.698 5.875,0.948 0.49,0.25 10 false TR+ 4.469,2.042 6.146,2.375 1.677,0.333 10 false Main Body ECU (Multiplex Network Body ECU) 1.875,3.313 2.104,3.542 0.229,0.229 10 false E 2.906,3.302 3.135,3.531 0.229,0.229 10 false UL 1.688,3.313 1.844,3.51 0.156,0.198 10 false 2 3.167,3.302 3.323,3.5 0.156,0.198 10 false 3 5.073,3.313 5.385,3.531 0.313,0.219 10 false 16 5.344,3.417 5.906,3.646 0.563,0.229 10 false TSW5 1.438,3.802 2.292,4.021 0.854,0.219 10 false T4 1.438,3.99 3.938,4.406 2.5,0.417 10 false License Plate Light Assembly with Back Door Opener Switch 5.135,4.115 6,4.292 0.865,0.177 10 false K6 5.135,4.292 6.667,4.813 1.531,0.521 10 false Certification ECU (Smart Key ECU Assembly) 0.792,5.302 2.948,5.563 2.156,0.26 10 false : CAN Communication Line

CAUTION / NOTICE / HINT

NOTICE:
·

Before replacing the certification ECU (smart key ECU assembly) or main body ECU (multiplex network body ECU), refer to Service Bulletin.

·

The power door lock control system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power door lock control system after confirming that the communication systems are functioning properly.

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS (TRUNK AND BACK-DOOR OPEN)
a.

Perform the Active Test according to the display on the GTS.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Trunk Lid / Back Door Open Back door lock motor OFF/ON -
Body Electrical > Main Body > Active Test
Tester Display
Trunk Lid / Back Door Open
50004 449 15
OK:

The back door lock with courtesy light switch assembly unlatches when ON is selected.



Result:
Proceed to
OK
NG



OK

GO TO SMART ENTRY AND START SYSTEM (for Entry 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


NG

2.INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY
2.INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

Click hereVehicle Interior>DOOR LOCK>BACK DOOR LOCK>INSPECTION

Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)

NG

REPLACE BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

Click hereVehicle Interior>DOOR LOCK>BACK DOOR LOCK>REMOVAL


3.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
a.

Disconnect the 4E power distribution box assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(T7)Location & Routing

Click Connector(T7)Body>No. 1 Back Door Wire>Back Door Lock Assembly with Courtesy Light Switch

T7-1 (ACT+) - 4E-39 Always Below 1 Ω
T7-2 (ACT-) - Body ground Always Below 1 Ω
T7-1 (ACT+) or 4E-39- Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.REPLACE POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK BACK DOOR OPEN OPERATION
a.

Check that the back door can be opened.

OK:

The back door can be opened.


Result:
Proceed to
OK
NG




OK

END (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WAS DEFECTIVE)

NG

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL