RM36D0EC _58 Vehicle Interior _083092 DOOR LOCK _0403003 POWER DOOR LOCK CONTROL SYSTEM J

DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM  All Doors LOCK/UNLOCK Functions do not Operate Via Door Key Cylinder  


DESCRIPTION

The main body ECU (multiplex network body ECU) receives door key cylinder lock or unlock switch signals from the front door with motor lock assembly LH. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

E544598E02
0.677,2.646 2.865,3.021 2.188,0.375 10 false Main Body ECU (Multiplex Network Body ECU) 0.667,2.469 1.26,2.76 0.594,0.292 10 false G169 4.396,2.281 4.635,2.479 0.24,0.198 10 false J10 4.385,2.458 6.573,2.833 2.188,0.375 10 false Front Door with Motor Lock Assembly LH 1.885,1.094 2.344,1.292 0.458,0.198 10 false L2 1.813,1.76 2.271,1.958 0.458,0.198 10 false UL3 4.771,1.083 5.229,1.281 0.458,0.198 10 false L 4.49,1.75 4.677,1.948 0.188,0.198 10 false 6 4.51,1.073 4.823,1.26 0.313,0.188 10 false 7 4.771,1.76 5.229,2 0.458,0.24 10 false UL 5.667,1.458 6.125,1.698 0.458,0.24 10 false E 5.917,1.458 6.792,1.719 0.875,0.26 10 false 10 2.188,1.083 2.646,1.323 0.458,0.24 10 false 28 2.208,1.75 2.667,1.99 0.458,0.24 10 false 4 1.167,0.875 1.625,1.073 0.458,0.198 10 false +B 1.167,1.542 1.625,1.74 0.458,0.198 10 false +B

CAUTION / NOTICE / HINT

NOTICE:

If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin (w/ Smart Entry and Start System).


PROCEDURE

1.READ VALUE USING GTS (Door Lock Switch Status by a Mechanical Key (D/P Door), Door Unlock Switch Status by a Mechanical Key (D Door))
a.

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

Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Door Lock Switch Status by a Mechanical Key (D/P Door) Driver door key-linked switch lock signal OFF or ON OFF: Driver door key cylinder not turned to lock position
ON: Driver door key cylinder turned to lock position 		-
Door Unlock Switch Status by a Mechanical Key (D Door) Driver door key-linked switch unlock signal OFF or ON OFF: Driver door key cylinder not turned to unlock position
ON: Driver door key cylinder turned to unlock position 		-
Body Electrical > Main Body > Data List
Tester Display
Door Lock Switch Status by a Mechanical Key (D/P Door)
Door Unlock Switch Status by a Mechanical Key (D Door)
50003 449 11,14
OK:

On the GTS screen, ON or OFF is displayed for each item according to the table above.



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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


NG

2.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH
2.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

Click hereVehicle Interior>DOOR LOCK>FRONT DOOR LOCK>INSPECTION

Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)

NG

REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

Click hereVehicle Interior>DOOR LOCK>FRONT DOOR LOCK>REMOVAL


3.CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
a.

Disconnect the J10 front door with motor lock assembly LH connector.


b.

Disconnect the G169 main body ECU (multiplex network body ECU) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
J10-7 (L) - G169-28 (L2) Always Below 1 Ω
J10-8 (UL) - G169-4 (UL3) Always Below 1 Ω
J10-10 (E) - Body ground Always Below 1 Ω
J10-7 (L) or G169-28 (L2) - Other terminals and body ground Always 10 kΩ or higher
J10-8 (UL) or G169-4 (UL3) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR