RM36D0EC _58 Vehicle Interior _083095 LIGHTING (INT) _0400584 LIGHTING SYSTEM J

LIGHTING (INT)  LIGHTING SYSTEM  Door Unlock Detection Switch Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.

WIRING DIAGRAM

E442538E33
6.688,3.542 7.021,3.844 0.333,0.302 10 false +B 6.688,2.219 7.021,2.521 0.333,0.302 10 false +B 6.698,0.823 7.031,1.125 0.333,0.302 10 false +B 5.76,1.135 6.333,1.479 0.573,0.344 10 false LSFR 5.771,2.5 6.344,2.844 0.573,0.344 10 false LSFL 5.771,3.875 6.344,4.219 0.573,0.344 10 false LSWL 5.76,5.219 6.333,5.563 0.573,0.344 10 false LSWR 5.458,5.802 7.104,6.167 1.646,0.365 10 false Main Body ECU (Multiplex Network Body ECU) 5.448,2.406 5.677,2.698 0.229,0.292 10 false 9 0.917,3.01 2.625,3.385 1.708,0.375 10 false J10 0.917,3.167 3.552,3.542 2.635,0.375 10 false Front Door with Motor Lock Assembly LH 0.896,1.615 2.604,1.99 1.708,0.375 10 false I11 0.906,1.792 3.521,2.063 2.615,0.271 10 false Front Door with Motor Lock Assembly RH 2.198,1.385 3.906,1.76 1.708,0.375 10 false LSSR 1.625,2.74 3.333,3.115 1.708,0.375 10 false E 1.615,4.125 3.323,4.5 1.708,0.375 10 false E 1.635,5.469 3.344,5.844 1.708,0.375 10 false E 2.198,5.5 3.906,5.875 1.708,0.375 10 false LSSR 2.208,4.125 3.917,4.5 1.708,0.375 10 false LSSR 0.958,4.396 3.479,4.781 2.521,0.385 10 false L4 0.906,5.76 2.896,6.198 1.99,0.438 10 false K4 0.896,5.938 3.448,6.313 2.552,0.375 10 false Rear Door with Motor Lock Assembly RH 2.208,2.75 3.917,3.125 1.708,0.375 10 false LSSR 2.75,2.49 4.458,2.865 1.708,0.375 10 false 8 1.281,2.469 1.938,2.76 0.656,0.292 10 false 10 2.698,3.854 4.406,4.229 1.708,0.375 10 false 6 2.719,5.24 4.427,5.615 1.708,0.375 10 false 6 5.417,5.135 5.729,5.427 0.313,0.292 10 false 23 5.323,5.344 5.781,5.583 0.458,0.24 10 false G168 6.698,4.927 7.031,5.229 0.333,0.302 10 false +B 1.333,1.104 1.938,1.302 0.604,0.198 10 false 5 1.615,1.354 1.771,1.552 0.156,0.198 10 false E 2.719,1.104 2.875,1.302 0.156,0.198 10 false 7 1.396,3.854 3.104,4.229 1.708,0.375 10 false 9 1.385,5.198 3.094,5.573 1.708,0.375 10 false 9 0.948,4.563 3.469,4.948 2.521,0.385 10 false Rear Door with Motor Lock Assembly LH 5.323,3.969 5.781,4.208 0.458,0.24 10 false G169 5.385,3.781 5.698,4.073 0.313,0.292 10 false 10 5.458,1.031 5.688,1.323 0.229,0.292 10 false 3 5.313,2.615 5.771,2.854 0.458,0.24 10 false G169 5.323,1.24 5.781,1.479 0.458,0.24 10 false G169

CAUTION / NOTICE / HINT

NOTICE:

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


PROCEDURE

1.READ VALUE USING GTS
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
FR Door Lock Position Switch Status Front door RH unlock detection switch signal Unlock or Lock Unlock: Front door RH unlocked
Lock: Front door RH locked 		-
FL Door Lock Position Switch Status Front door LH unlock detection switch signal Unlock or Lock Unlock: Front door LH unlocked
Lock: Front door LH locked 		-
RR Door Lock Position Switch Status Rear door RH unlock detection switch signal Unlock or Lock Unlock: Rear door RH unlocked
Lock: Rear door RH locked 		-
RL Door Lock Position Switch Status Rear door LH unlock detection switch signal Unlock or Lock Unlock: Rear door LH unlocked
Lock: Rear door LH locked 		-
Body Electrical > Main Body > Data List
Tester Display
FR Door Lock Position Switch Status
FL Door Lock Position Switch Status
RR Door Lock Position Switch Status
RL Door Lock Position Switch Status
50003 449 20,21,22,23
OK:

Normal conditions listed above are displayed.



Result:
Result Proceed to
OK A
NG ("FR Door Lock Position Switch Status" is abnormal) B
NG ("FL Door Lock Position Switch Status" is abnormal) C
NG ("RR-Door Lock Position Switch Status" is abnormal) D
NG ("RL-Door Lock Position Switch Status" is abnormal) E



A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM>PROBLEM SYMPTOMS TABLE


B

2.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

C

4.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

D

6.INSPECT REAR DOOR WITH MOTOR LOCK ASSEMBLY RH

E

8.INSPECT REAR DOOR WITH MOTOR LOCK ASSEMBLY LH
2.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

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 RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)

NG

REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH

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


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

Disconnect the I11 front door with motor lock assembly RH 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
I11-7 (LSSR) - G169-3 (LSFR) Always Below 1 Ω
I11-5 (E) - Body ground Always Below 1 Ω
I11-7 (LSSR) or G169-3 (LSFR) - 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

4.INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH

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

Result:
Proceed to
OK
NG



OK

5.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


5.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
J10-8 (LSSR) - G169-9 (LSFL) Always Below 1 Ω
J10-10 (E) - Body ground Always Below 1 Ω
J10-8 (LSSR) or G169-9 (LSFL) - 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

6.INSPECT REAR DOOR WITH MOTOR LOCK ASSEMBLY RH

Click hereVehicle Interior>DOOR LOCK>REAR DOOR LOCK>INSPECTION

Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (REAR DOOR WITH MOTOR LOCK ASSEMBLY RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)

NG

REPLACE REAR DOOR WITH MOTOR LOCK ASSEMBLY RH

Click hereVehicle Interior>DOOR LOCK>REAR DOOR LOCK>REMOVAL


7.CHECK HARNESS AND CONNECTOR (REAR DOOR WITH MOTOR LOCK ASSEMBLY RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)
a.

Disconnect the K4 rear door with motor lock assembly RH connector.


b.

Disconnect the G168 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
K4-6 (LSSR) - G168-23 (LSWR) Always Below 1 Ω
K4-9 (E) - Body ground Always Below 1 Ω
K4-6 (LSSR) or G168-23 (LSWR) - 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

8.INSPECT REAR DOOR WITH MOTOR LOCK ASSEMBLY LH

Click hereVehicle Interior>DOOR LOCK>REAR DOOR LOCK>INSPECTION

Result:
Proceed to
OK
NG



OK

9.CHECK HARNESS AND CONNECTOR (REAR DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)

NG

REPLACE REAR DOOR WITH MOTOR LOCK ASSEMBLY LH

Click hereVehicle Interior>DOOR LOCK>REAR DOOR LOCK>REMOVAL


9.CHECK HARNESS AND CONNECTOR (REAR DOOR WITH MOTOR LOCK ASSEMBLY LH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)
a.

Disconnect the L4 rear 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
L4-6 (LSSR) - G169-10 (LSWL) Always Below 1 Ω
L4-9 (E) - Body ground Always Below 1 Ω
L4-6 (LSSR) or G169-10 (LSWL) - 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