RM35X0E _58 Vehicle Interior _078381 LIGHTING (INT) _0380033 LIGHTING SYSTEM J

LIGHTING (INT)  LIGHTING SYSTEM  Ambient Illumination Light Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) controls the operation of the following lights:

·

No. 1 interior illumination light assembly (slide door illumination)

·

No. 2 interior illumination light assembly (slide door illumination)

·

No. 1 interior illumination light assembly (quarter trim illumination)

·

No. 2 interior illumination light assembly (quarter trim illumination)


WIRING DIAGRAM

E421922E01
1.26,0.188 4.875,0.417 3.615,0.229 10 false from DOME CUT Relay*1 or Engine Stop and Start ECU*2 1.656,1.708 4.167,2.042 2.51,0.333 10 false No. 1 Interior Illumination Light Assembly (Slide Door Illumination) 1.667,1.531 2.125,1.729 0.458,0.198 10 false U10 2.271,1.052 2.885,1.25 0.615,0.198 10 false ILL+ 2.281,2.854 2.896,3.052 0.615,0.198 10 false ILL+ 2.281,4.688 2.896,4.885 0.615,0.198 10 false ILL+ 2.26,6.521 2.875,6.719 0.615,0.198 10 false ILL+ 2.021,0.917 2.177,1.115 0.156,0.198 10 false 1 3.563,0.917 3.719,1.115 0.156,0.198 10 false 2 3.104,1.052 3.719,1.25 0.615,0.198 10 false ILL- 3.552,2.74 3.708,2.938 0.156,0.198 10 false 3 3.188,2.875 3.802,3.073 0.615,0.198 10 false ILL- 1.635,3.552 4.146,3.885 2.51,0.333 10 false No. 1 Interior Illumination Light Assembly (Quarter Trim Illumination) 1.656,3.354 2.115,3.552 0.458,0.198 10 false W31 2.031,2.74 2.188,2.938 0.156,0.198 10 false 1 5.688,1.042 6.302,1.24 0.615,0.198 10 false LED1 3.177,4.667 3.792,4.865 0.615,0.198 10 false ILL- 3.125,6.5 3.74,6.698 0.615,0.198 10 false ILL- 5.385,0.927 5.698,1.125 0.313,0.198 10 false 20 5.344,4.5 7,4.865 1.656,0.365 10 false Main Body ECU (Multiplex Network Body ECU) 5.354,4.313 5.813,4.51 0.458,0.198 10 false N20 1.708,5.167 2.167,5.365 0.458,0.198 10 false U12 1.708,5.344 4.219,5.677 2.51,0.333 10 false No. 2 Interior Illumination Light Assembly (Slide Door Illumination) 1.708,6.979 2.167,7.177 0.458,0.198 10 false V29 1.698,7.167 4.208,7.5 2.51,0.333 10 false No. 2 Interior Illumination Light Assembly (Quarter Trim Illumination) 0.115,8.406 3.729,8.635 3.615,0.229 10 false *2: w/ Stop and Start System 0.104,8.021 3.719,8.25 3.615,0.229 10 false *1: w/o Stop and Start System

CAUTION / NOTICE / HINT

NOTICE:

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


PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

Perform the Active Test according to the display on the GTS.

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM>DATA LIST / ACTIVE TEST

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Interior Illumination Light1 Illuminates the following lights:
·

No. 1 interior illumination light assembly (Slide Door Illumination)

·

No. 2 interior illumination light assembly (Slide Door Illumination)

·

No. 1 interior illumination light assembly (Quarter Trim Illumination)

·

No. 2 interior illumination light assembly (Quarter Trim Illumination)


OFF or ON -
Body Electrical > Main Body > Active Test
Tester Display
Interior Illumination Light1
50004 123 68
OK:

No. 1 interior illumination light assembly (slide door illumination), No. 2 interior illumination light assembly (slide door illumination), No. 1 interior illumination light assembly (quarter trim illumination) and No. 2 interior illumination light assembly (quarter trim illumination) are illuminate.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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


NG

2.CHECK HARNESS AND CONNECTOR (INTERIOR ILLUMINATION LIGHT - BATTERY AND BODY GROUND)
2.CHECK HARNESS AND CONNECTOR (INTERIOR ILLUMINATION LIGHT - BATTERY AND BODY GROUND)
a.

Disconnect the U10 No. 1 interior illumination light assembly (slide door illumination) connector.


b.

Disconnect the U12 No. 2 interior illumination light assembly (slide door illumination) connector.


c.

Disconnect the W31 No. 1 interior illumination light assembly (quarter trim illumination) connector.


d.

Disconnect the V29 No. 2 interior illumination light assembly (quarter trim illumination) connector.


e.

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


f.

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

Standard Voltage:
w/ Stop and Start System
Tester Connection Condition Specified Condition
U10-1 (ILL+) - Body ground Always 10.5 to 16 V

w/o Stop and Start System
Tester Connection Condition Specified Condition
U10-1 (ILL+) - Body ground DOME CUT relay off 11 to 14 V



g.

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

Standard Resistance:
Tester Connection Condition Specified Condition
U10-2 (ILL-) - N20-20 (LED1) Always Below 1 Ω



Result:
Result Proceed to
OK (for LHD) A
OK (for RHD) B
NG C



A

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL


B

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL


C

REPAIR OR REPLACE HARNESS OR CONNECTOR