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

DOOR LOCK  POWER DOOR LOCK CONTROL SYSTEM  All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch  


DESCRIPTION

The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

B472440E01
1.458,0.875 3.094,1.281 1.635,0.406 10 false Main Body ECU (Multiplex Network Body ECU) 4.646,0.885 6.219,1.313 1.573,0.427 10 false Multiplex Network Master Switch Assembly 0.781,1.49 4,1.677 3.219,0.188 10 false : LIN Communication Line

CAUTION / NOTICE / HINT

NOTICE:
·

The power door lock control system uses the LIN 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 here

Click herePower Source / Network>NETWORKING>LIN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING

·

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

·

The auxiliary battery supplies power to the main body ECU (multiplex network body ECU) via the door control battery. Therefore, before performing this troubleshooting procedure, make sure to perform an on-vehicle inspection to confirm that the main body ECU (multiplex network body ECU) power source circuit is normal.*

Click hereVehicle Interior>DOOR LOCK>POWER DOOR LOCK CONTROL SYSTEM>ON-VEHICLE INSPECTION

*: w/ Door Control Battery




PROCEDURE

1.CHECK POWER WINDOW CONTROL SYSTEM
a.

Check the power window operation using the multiplex network master switch assembly.


OK:

Each power window operates normally.


Result:
Proceed to
OK
NG



OK

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW MASTER SWITCH>REMOVAL


NG

2.READ VALUE USING GTS (DOOR LOCK SWITCH STATUS, DOOR UNLOCK SWITCH STATUS)
2.READ VALUE USING GTS (DOOR LOCK SWITCH STATUS, DOOR UNLOCK SWITCH STATUS)
a.

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

Body Electrical > Master Switch > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Door Lock Switch Status Multiplex network master switch assembly lock signal OFF or ON OFF: Lock switch of multiplex network master switch assembly not pushed
ON: Lock switch of multiplex network master switch assembly pushed 		-
Door Unlock Switch Status Multiplex network master switch assembly unlock signal OFF or ON OFF: Unlock switch of multiplex network master switch assembly not pushed
ON: Unlock switch of multiplex network master switch assembly pushed 		-
Body Electrical > Master Switch > Data List
Tester Display
Door Lock Switch Status
Door Unlock Switch Status
50003 148 38,39

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

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW MASTER SWITCH>REMOVAL