RM35X0E _58 Vehicle Interior _078336 DOOR LOCK _0379904 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. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

B472616E07
4.427,4.042 7.083,4.427 2.656,0.385 10 false Front Door with Motor Lock Assembly RH* 0.667,3.969 2.292,4.333 1.625,0.365 10 false Main Body ECU (Multiplex Network Body ECU) 1.781,3.417 2.208,3.688 0.427,0.271 10 false UL2* 1.875,1.396 2.302,1.667 0.427,0.271 10 false UL3 1.938,0.729 2.365,1 0.427,0.271 10 false L2 4.75,0.74 5.177,1.01 0.427,0.271 10 false L 4.74,1.406 5.167,1.677 0.427,0.271 10 false UL 4.74,3.427 5.167,3.698 0.427,0.271 10 false UL 4.74,2.74 5.167,3.01 0.427,0.271 10 false L 5.74,1.104 6.167,1.375 0.427,0.271 10 false E 5.75,3.104 6.177,3.375 0.427,0.271 10 false E 0.677,3.802 1.104,4.073 0.427,0.271 10 false N20 4.375,1.823 6.917,2.073 2.542,0.25 10 false R14 4.427,3.865 6.969,4.115 2.542,0.25 10 false R4 4.49,1.396 5.333,1.708 0.844,0.313 10 false 10 4.51,0.708 5.333,0.979 0.823,0.271 10 false 9 5.938,1.094 6.792,1.365 0.854,0.271 10 false 7 4.531,2.729 5.375,3.021 0.844,0.292 10 false 6 4.552,3.406 5.396,3.698 0.844,0.292 10 false 5 5.927,3.104 6.74,3.375 0.813,0.271 10 false 8 2.219,0.74 2.646,1.01 0.427,0.271 10 false 18 2.219,1.396 2.646,1.667 0.427,0.271 10 false 17 2.208,3.406 2.635,3.677 0.427,0.271 10 false 19 4.365,1.99 7.031,2.313 2.667,0.323 10 false Front Door with Motor Lock Assembly LH 0.125,0.073 1.021,0.406 0.896,0.333 12 false for LHD: 1.146,0.469 1.573,0.74 0.427,0.271 10 false +B 1.135,1.146 1.563,1.417 0.427,0.271 10 false +B 1.156,3.135 1.583,3.406 0.427,0.271 10 false +B 2.333,4.49 5.51,4.813 3.177,0.323 10 false *: w/ Front Passenger Side Door Key Cylinder 3.229,3.396 5.771,3.646 2.542,0.25 10 false * 3.729,2.688 6.271,2.938 2.542,0.25 10 false *

B472616E08
4.344,4.042 7.125,4.292 2.781,0.25 10 false Front Door with Motor Lock Assembly LH 0.719,3.958 2.344,4.344 1.625,0.385 10 false Main Body ECU (Multiplex Network Body ECU) 1.802,3.417 2.229,3.688 0.427,0.271 10 false UL2* 1.875,1.396 2.302,1.667 0.427,0.271 10 false UL3 1.938,0.729 2.365,1 0.427,0.271 10 false L2 4.75,0.74 5.177,1.01 0.427,0.271 10 false L 4.74,1.406 5.167,1.677 0.427,0.271 10 false UL 4.74,3.427 5.167,3.698 0.427,0.271 10 false UL 4.74,2.74 5.167,3.01 0.427,0.271 10 false L 5.74,1.104 6.167,1.375 0.427,0.271 10 false E 5.75,3.104 6.177,3.375 0.427,0.271 10 false E 0.74,3.792 1.167,4.063 0.427,0.271 10 false N20 4.281,1.792 6.823,2.042 2.542,0.25 10 false R4 4.354,3.896 6.896,4.146 2.542,0.25 10 false R14 4.542,0.708 5.354,1.031 0.813,0.323 10 false 6 2.219,0.74 2.646,1.01 0.427,0.271 10 false 18 2.219,1.396 2.646,1.667 0.427,0.271 10 false 17 2.208,3.406 2.635,3.677 0.427,0.271 10 false 19 4.219,1.979 7,2.229 2.781,0.25 10 false Front Door with Motor Lock Assembly RH 0.094,0.031 1.719,0.417 1.625,0.385 12 false for RHD: 4.531,1.396 5.344,1.719 0.813,0.323 10 false 5 5.917,1.104 6.729,1.427 0.813,0.323 10 false 8 4.531,2.729 5.344,3.052 0.813,0.323 10 false 9 4.5,3.417 5.313,3.74 0.813,0.323 10 false 10 5.927,3.104 6.74,3.427 0.813,0.323 10 false 7 1.146,0.469 1.573,0.74 0.427,0.271 10 false +B 1.125,1.135 1.552,1.406 0.427,0.271 10 false +B 1.156,3.135 1.583,3.406 0.427,0.271 10 false +B 3.594,3.427 6.135,3.677 2.542,0.25 10 false * 3.708,2.708 6.25,2.958 2.542,0.25 10 false * 2.531,4.5 5.917,4.781 3.385,0.281 10 false *: w/ Front Passenger Side Door Key Cylinder

CAUTION / NOTICE / HINT

NOTICE:

If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.*

*: w/ Entry and Start System


PROCEDURE

1.CHECK PROBLEM SYMPTOM
a.

Check the problem symptom.

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>OPERATION CHECK


Result:
Result Proceed to
Key-linked lock/unlock function does not operate by driver door key cylinder A
Key-linked lock/unlock function does not operate by front passenger door key cylinder* B


*: w/ Front Passenger Side Door Key Cylinder



A

2.READ VALUE USING GTS (Door Key SW-Lock, D Door Key SW-UL)

B

5.READ VALUE USING GTS (Door Key SW-Lock, Door Key SW-Unlock)
2.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 switch lock signal OFF or ON OFF: Driver and front passenger* door key cylinder not turned to lock position
ON: Driver and front passenger* door key cylinder turned to lock position 		-
D Door Key SW-UL 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 		-

*: w/ Front Passenger Side Door Key Cylinder


Body Electrical > Main Body > Data List
Tester Display
Door Key SW-Lock
D Door Key SW-UL
50003 123 19,21
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)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



NG

3.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Side)
3.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Side)
a.

Remove the front door with motor lock assembly (for Driver Side).

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


b.

Inspect the front door with motor lock assembly (for Driver Side).

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


Result:
Proceed to
OK
NG



OK

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

NG

REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Driver Side)

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


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

for LHD:

i.

Disconnect the R14 front door with motor lock assembly LH connector.


ii.

Disconnect the R4 front door with motor lock assembly RH connector.


iii.

Disconnect the N20 main body ECU (multiplex network body ECU) connector.


iv.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R14-9 (L) - N20-18 (L2) Always Below 1 Ω
R14-10 (UL) - N20-17 (UL3) Always Below 1 Ω
R14-7 (E) - Body ground Always Below 1 Ω
R14-9 (L) or N20-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
R14-10 (UL) or N20-17 (UL3) - Other terminals and body ground Always 10 kΩ or higher




b.

for RHD:

i.

Disconnect the R4 front door with motor lock assembly RH connector.


ii.

Disconnect the R14 front door with motor lock assembly LH connector.


iii.

Disconnect the N20 main body ECU (multiplex network body ECU) connector.


iv.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R4-6 (L) - N20-18 (L2) Always Below 1 Ω
R4-5 (UL) - N20-17 (UL3) Always Below 1 Ω
R4-8 (E) - Body ground Always Below 1 Ω
R4-6 (L) or N20-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
R4-5 (UL) or N20-17 (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)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.READ VALUE USING GTS (Door Key SW-Lock, Door Key SW-Unlock)
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 Front passenger door key-linked switch lock signal OFF or ON OFF: Driver and front passenger door key cylinder not turned to lock position
ON: Front passenger door key cylinder turned to lock position 		-
Door Key SW-Unlock Front passenger door key-linked switch unlock signal OFF or ON OFF: Front passenger door key cylinder not turned to unlock position
ON: Front passenger door key cylinder turned to unlock position 		-
Body Electrical > Main Body > Data List
Tester Display
Door Key SW-Lock
Door Key SW-Unlock
50003 123 19,20
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)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



NG

6.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Front Passenger Side)
6.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Front Passenger Side)
a.

Remove the front door with motor lock assembly (for Front Passenger Side).

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


b.

Inspect the front door with motor lock assembly (for Front Passenger Side).

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


Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Front Passenger Side) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)

NG

REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Front Passenger Side)

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


7.CHECK HARNESS AND CONNECTOR (FRONT DOOR WITH MOTOR LOCK ASSEMBLY (for Front Passenger Side) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
a.

for LHD:

i.

Disconnect the R4 front door with motor lock assembly RH connector.


ii.

Disconnect the R14 front door with motor lock assembly LH connector.


iii.

Disconnect the N20 main body ECU (multiplex network body ECU) connector.


iv.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R4-6 (L) - N20-18 (L2) Always Below 1 Ω
R4-5 (UL) - N20-19 (UL2) Always Below 1 Ω
R4-8 (E) - Body ground Always Below 1 Ω
R4-6 (L) or N20-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
R4-5 (UL) or N20-19 (UL2) - Other terminals and body ground Always 10 kΩ or higher




b.

for RHD:

i.

Disconnect the R14 front door with motor lock assembly LH connector.


ii.

Disconnect the R4 front door with motor lock assembly RH connector.


iii.

Disconnect the N20 main body ECU (multiplex network body ECU) connector.


iv.

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

Standard Resistance:
Tester Connection Condition Specified Condition
R14-9 (L) - N20-18 (L2) Always Below 1 Ω
R14-10 (UL) - N20-19 (UL2) Always Below 1 Ω
R14-7 (E) - Body ground Always Below 1 Ω
R14-9 (L) or N20-18 (L2) - Other terminals and body ground Always 10 kΩ or higher
R14-10 (UL) or N20-19 (UL2) - Other terminals and body ground Always 10 kΩ or higher




Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:Power Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR