RM3660EC _58 Vehicle Interior _080729 DOOR LOCK _0601176 POWER DOOR LOCK CONTROL SYSTEM(for NR Series Engine) J

DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM(for NR Series Engine)  All Doors LOCK/UNLOCK Functions do not Operate Via Door Key Cylinder  


DESCRIPTION

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

WIRING DIAGRAM

B472439E73
0.354,1.531 0.594,1.719 0.24,0.188 10 false I84 0.354,1.688 3.417,1.896 3.063,0.208 10 false Main Body ECU (Multiplex Network Body ECU) 1.74,0.792 1.958,0.979 0.219,0.188 10 false L2 1.646,1.292 1.948,1.479 0.302,0.188 10 false UL3 2,0.729 2.24,0.927 0.24,0.198 10 false 18 1.99,1.219 2.198,1.417 0.208,0.198 10 false 17 4.781,0.615 5.188,0.823 0.406,0.208 10 false 9*1 4.74,1.125 5.188,1.375 0.448,0.25 10 false 10*1 5.094,0.729 5.271,0.917 0.177,0.188 10 false L 5.094,1.219 5.302,1.427 0.208,0.208 10 false UL 6.083,0.958 6.24,1.156 0.156,0.198 10 false E 6.292,0.813 6.74,0.99 0.448,0.177 10 false 7*1 4.5,1.51 4.698,1.719 0.198,0.208 10 false L4 4.49,1.667 7.052,1.865 2.563,0.198 10 false Front Door Lock with Motor Assembly LH 6.292,0.99 6.74,1.167 0.448,0.177 10 false 10*2 4.792,0.76 5.198,0.969 0.406,0.208 10 false 7*2 4.813,1.271 5.26,1.521 0.448,0.25 10 false 6*2 1.615,2.406 2.99,2.615 1.375,0.208 10 false *1: for GTMC Made 3.188,2.406 4.563,2.615 1.375,0.208 10 false *2: for TFTM Made

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.


PROCEDURE

1.READ VALUE USING GTS (DOOR KEY SW-LOCK, D DOOR KEY SW-UL)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Main Body / Data List.


e.

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 Key SW-Lock Driver door key-linked lock / unlock 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 		-
D Door Key SW-UL Driver door key-linked lock / unlock 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 Key SW-Lock
D Door Key SW-UL
50003 123 19,21
OK:

The GTS display changes correctly in response to the lock/unlock operation.



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

Remove the front door lock with motor assembly LH.

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


b.

Inspect the front door lock with motor assembly LH.

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


Result:
Proceed to
OK
NG



OK

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

NG

REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH

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


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

Disconnect the I84 main body ECU (multiplex network body ECU) connector.


b.

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

Standard Resistance:
for GTMC Made
Tester Connection Condition Specified Condition
L4-9 (L) - I84-18 (L2) Always Below 1 Ω
L4-10 (UL) - I84-17 (UL3) Always Below 1 Ω
L4-7 (E) - Body ground Always Below 1 Ω
L4-9 (L) or I84-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
L4-10 (UL) or I84-17 (UL3) - Other terminals and body ground Always 10 kΩ or higher

for TFTM Made
Tester Connection Condition Specified Condition
L4-9 (L) - I84-18 (L2) Always Below 1 Ω
L4-6 (UL) - I84-17 (UL3) Always Below 1 Ω
L4-10 (E) - Body ground Always Below 1 Ω
L4-7 (L) or I84-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
L4-6 (UL) or I84-17 (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