RM3660EC _58 Vehicle Interior _080785 LIGHTING (INT) _0600097 LIGHTING SYSTEM(except NR Series Engine) J

LIGHTING (INT)  LIGHTING SYSTEM(except NR Series Engine)  Ambient Illumination Light Circuit  


DESCRIPTION

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

·

Center Tray Illumination Light (Instrument Panel Light Assembly)

·

Cup Holder Light (Console Box Pocket Garnish)

·

Footwell Light LH (No. 1 Interior Illumination Light Assembly)

·

Footwell Light RH (No. 1 Interior Illumination Light Assembly)


WIRING DIAGRAM

w/o Footwell Light
E514550E01
0.917,0.302 2.469,0.542 1.552,0.24 10 false from Auxiliary Battery 2.167,1.021 3.323,1.208 1.156,0.188 10 false INP STD NO. 2 3.604,0.875 3.917,1.073 0.313,0.198 10 false 10D 3.604,1.594 3.917,1.792 0.313,0.198 10 false 10E 3.615,2.677 3.927,2.875 0.313,0.198 10 false 10E 3.667,0.677 3.823,0.875 0.156,0.198 10 false 1 3.635,1.406 3.948,1.604 0.313,0.198 10 false 48 3.646,4.375 3.958,4.573 0.313,0.198 10 false 37 5.948,2.552 6.26,2.75 0.313,0.198 10 false 16 6.229,2.698 6.844,2.896 0.615,0.198 10 false FSPT 4.313,1.01 4.927,1.208 0.615,0.198 10 false DOME 1,2.667 1.156,2.865 0.156,0.198 10 false B 0.99,4.594 1.146,4.792 0.156,0.198 10 false B 2.375,4.615 2.531,4.813 0.156,0.198 10 false E 2.385,2.688 2.542,2.885 0.156,0.198 10 false E 2.573,4.479 2.729,4.677 0.156,0.198 10 false 1 2.583,2.563 2.74,2.76 0.156,0.198 10 false 1 0.781,4.49 0.938,4.688 0.156,0.198 10 false 2 0.771,2.563 0.927,2.76 0.156,0.198 10 false 2 0.615,5.052 1.073,5.25 0.458,0.198 10 false I29 0.604,5.24 3.125,5.823 2.521,0.583 10 false Center Tray Illumination Light (Instrument Panel Light Assembly) 0.844,3.104 1.302,3.302 0.458,0.198 10 false I30 0.844,3.271 2.75,3.958 1.906,0.688 10 false Cup Holder Light (Console Box Pocket Garnish) 3.948,5.031 6.021,5.521 2.073,0.49 10 false Power Distribution Box Assembly 5.448,5.51 5.76,5.708 0.313,0.198 10 false MB 5.448,5.719 7.104,6.333 1.656,0.615 10 false Main Body ECU (Multiplex Network Body ECU) 3.615,4.604 3.927,4.802 0.313,0.198 10 false 10E 3.625,2.448 3.938,2.646 0.313,0.198 10 false 16

w/ Footwell Light
E514551E02
3.604,2.656 4.063,2.854 0.458,0.198 10 false 10E 3.635,4.125 3.948,4.323 0.313,0.198 10 false 37 5.917,2.542 6.229,2.74 0.313,0.198 10 false 16 6.229,2.646 6.844,2.844 0.615,0.198 10 false FSPT 3.594,1.552 4.052,1.75 0.458,0.198 10 false 10E 3.635,1.333 3.948,1.531 0.313,0.198 10 false 48 4.323,1.01 4.938,1.208 0.615,0.198 10 false DOME 3.594,0.833 4.052,1.031 0.458,0.198 10 false 10D 3.667,0.604 3.823,0.802 0.156,0.198 10 false 1 2.188,1.021 4.177,1.219 1.99,0.198 10 false INP STD NO. 2 0.948,0.271 4.313,0.469 3.365,0.198 10 false from Auxiliary Battery 0.615,4.896 3.135,5.625 2.521,0.729 10 false Center Tray Illumination Light (Instrument Panel Light Assembly) 0.635,4.729 1.094,4.927 0.458,0.198 10 false I29 0.781,2.531 0.938,2.729 0.156,0.198 10 false 2 2.604,4.219 2.76,4.417 0.156,0.198 10 false 1 1,2.656 1.156,2.854 0.156,0.198 10 false B 2.375,2.656 2.531,2.854 0.156,0.198 10 false E 0.792,4.219 0.948,4.417 0.156,0.198 10 false 2 2.604,2.542 2.76,2.74 0.156,0.198 10 false 1 1.021,4.344 1.177,4.542 0.156,0.198 10 false B 2.375,4.333 2.531,4.531 0.156,0.198 10 false E 0.875,3.104 1.333,3.302 0.458,0.198 10 false I30 0.854,3.271 2.76,3.75 1.906,0.479 10 false Cup Holder Light (Console Box Pocket Garnish) 0.792,5.896 0.948,6.094 0.156,0.198 10 false 2 0.792,7.594 0.948,7.792 0.156,0.198 10 false 2 2.604,5.906 2.76,6.104 0.156,0.198 10 false 1 2.604,7.615 2.76,7.813 0.156,0.198 10 false 1 1.021,6.01 1.177,6.208 0.156,0.198 10 false B 1.021,7.74 1.177,7.938 0.156,0.198 10 false B 2.365,6.021 2.521,6.219 0.156,0.198 10 false L 2.354,7.74 2.51,7.938 0.156,0.198 10 false L 0.823,6.604 2.76,7.281 1.938,0.677 10 false Footwell Light LH (No. 1 Interior Illumination Light Assembly) 0.823,6.417 1.438,6.615 0.615,0.198 10 false I175 0.865,8.073 1.479,8.271 0.615,0.198 10 false I174 0.854,8.24 2.813,8.844 1.958,0.604 10 false Footwell Light RH (No. 1 Interior Illumination Light Assembly) 3.594,4.323 4.052,4.521 0.458,0.198 10 false 10E 3.625,2.427 3.938,2.625 0.313,0.198 10 false 16 3.948,4.75 6.156,5.104 2.208,0.354 10 false Power Distribution Box Assembly 5.479,5.646 5.792,5.844 0.313,0.198 10 false MB 5.479,5.833 7.115,6.427 1.635,0.594 10 false Main Body ECU (Multiplex Network Body ECU) 3.26,3.385 3.573,3.583 0.313,0.198 10 false *1 4.25,2.542 4.563,2.74 0.313,0.198 10 false *2 4.198,8.24 6.802,8.438 2.604,0.198 10 false *2: for TFTM Made 4.208,7.823 6.813,8.021 2.604,0.198 10 false *1: for GTMC Made 3.302,2.542 3.615,2.74 0.313,0.198 10 false *2

CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

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.

Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Front Footwell Lights Turns on the following lights:
·

Center tray illumination light*1

·

Cup holder light*2

·

Footwell light LH*3

·

Footwell light RH*3


OFF or ON Perform the Active Test with the vehicle stopped and ignition switch ON.

*1: w/ Center tray illumination light

*2: w/ Cup holder light

*3: w/ Footwell light


Body Electrical > Main Body > Active Test
Tester Display
Front Footwell Lights
50004 449 22
OK:

Center tray illumination light and cup holder light come on.



Result:
Result Proceed to
OK A
NG (Center tray illumination light does not come on) B
NG (Cup holder light does not come on) C
NG (Footwell light LH does not come on) D
NG (Footwell light RH does not come on) E
NG (Center tray illumination light, cup holder light, footwell light LH and footwell light RH does not come on) F



A

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

2.INSPECT CENTER TRAY ILLUMINATION LIGHT (INSTRUMENT PANEL LIGHT ASSEMBLY)

C

4.INSPECT CUP HOLDER LIGHT (CONSOLE BOX POCKET GARNISH)

D

6.INSPECT FOOTWELL LIGHT LH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)

E

8.INSPECT FOOTWELL LIGHT RH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)

F

10.CHECK HARNESS AND CONNECTOR (POWER SOURCE - POWER DISTRIBUTION BOX ASSEMBLY)
2.INSPECT CENTER TRAY ILLUMINATION LIGHT (INSTRUMENT PANEL LIGHT ASSEMBLY)
a.

Inspect the center tray illumination light (instrument panel light assembly).

Click hereVehicle Interior>LIGHTING (INT)>INTERIOR ILLUMINATION LIGHT (for Instrument Panel)>INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (CENTER TRAY ILLUMINATION LIGHT (INSTRUMENT PANEL LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPLACE CENTER TRAY ILLUMINATION LIGHT (INSTRUMENT PANEL LIGHT ASSEMBLY)

Click hereVehicle Interior>LIGHTING (INT)>INTERIOR ILLUMINATION LIGHT (for Instrument Panel)>REMOVAL


3.CHECK HARNESS AND CONNECTOR (CENTER TRAY ILLUMINATION LIGHT (INSTRUMENT PANEL LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10E power distribution box assembly connector.


b.

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

Standard Resistance (w/o Footwell Light):
Tester Connection Condition Specified Condition
I29-2 (B) - 10E-48 Always Below 1 Ω
I29-1 (E) - 10E-37 Always Below 1 Ω
I29-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I29-1 (E) or 10E-37 - Body ground Always 10 kΩ or higher


Standard Resistance (for GTMC Made with Footwell Light):
Tester Connection Condition Specified Condition
I29-2 (B) - 10E-48 Always Below 1 Ω
I29-1 (E) - 10E-37 Always Below 1 Ω
I29-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I29-1 (E) or 10E-37 - Body ground Always 10 kΩ or higher


Standard Resistance (for TFTM Made with Footwell Light):
Tester Connection Condition Specified Condition
I29-2 (B) - 10E-48 Always Below 1 Ω
I29-1 (E) - 10E-37 Always Below 1 Ω
I29-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I29-1 (E) or 10E-37 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT CUP HOLDER LIGHT (CONSOLE BOX POCKET GARNISH)
a.

Inspect the cup holder light (console box pocket garnish).

Click hereVehicle Interior>LIGHTING (INT)>INTERIOR ILLUMINATION LIGHT (for Console Box)>INSPECTION


Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (CUP HOLDER LIGHT (CONSOLE BOX POCKET GARNISH) - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPLACE CUP HOLDER LIGHT (CONSOLE BOX POCKET GARNISH)

Click hereVehicle Interior>LIGHTING (INT)>INTERIOR ILLUMINATION LIGHT (for Console Box)>REMOVAL


5.CHECK HARNESS AND CONNECTOR (CUP HOLDER LIGHT (CONSOLE BOX POCKET GARNISH) - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10E power distribution box assembly connector.


b.

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

Standard Resistance (w/o Footwell Light, for TFTM Made with Footwell Light):
Tester Connection Condition Specified Condition
I30-2 (B) - 10E-48 Always Below 1 Ω
I30-1 (E) - 10E-16 Always Below 1 Ω
I30-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I30-1 (E) or 10E-16 - Body ground Always 10 kΩ or higher


Standard Resistance (for GTMC Made with Footwell Light):
Tester Connection Condition Specified Condition
I30-2 (B) - 10E-48 Always Below 1 Ω
I30-1 (E) - 10E-37 Always Below 1 Ω
I30-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I30-1 (E) or 10E-37 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.INSPECT FOOTWELL LIGHT LH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)
a.

Inspect the footwell light LH (No. 1 interior illumination light assembly).

Click hereVehicle Interior>LIGHTING (INT)>FOOTWELL LIGHT>INSPECTION


Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (FOOTWELL LIGHT LH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPLACE FOOTWELL LIGHT LH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)

Click hereVehicle Interior>LIGHTING (INT)>FOOTWELL LIGHT>REMOVAL


7.CHECK HARNESS AND CONNECTOR (FOOTWELL LIGHT LH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10E power distribution box assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I175-2 (B) - 10E-48 Always Below 1 Ω
I175-1 (L) - 10E-37 Always Below 1 Ω
I175-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I175-1 (L) or 10E-37 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.INSPECT FOOTWELL LIGHT RH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)
a.

Inspect the footwell light RH (No. 1 interior illumination light assembly).

Click hereVehicle Interior>LIGHTING (INT)>FOOTWELL LIGHT>INSPECTION


Result:
Proceed to
OK
NG



OK

9.CHECK HARNESS AND CONNECTOR (FOOTWELL LIGHT RH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPLACE FOOTWELL LIGHT RH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY)

Click hereVehicle Interior>LIGHTING (INT)>FOOTWELL LIGHT>REMOVAL


9.CHECK HARNESS AND CONNECTOR (FOOTWELL LIGHT RH (NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY) - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10E power distribution box assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I174-2 (B) - 10E-48 Always Below 1 Ω
I174-1 (L) - 10E-37 Always Below 1 Ω
I174-2 (B) or 10E-48 - Body ground Always 10 kΩ or higher
I174-1 (L) or 10E-37 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.CHECK HARNESS AND CONNECTOR (POWER SOURCE - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10D power distribution box assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
10D-1 - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

11.CHECK HARNESS AND CONNECTOR (AMBIENT ILLUMINATION LIGHT - POWER DISTRIBUTION BOX ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

11.CHECK HARNESS AND CONNECTOR (AMBIENT ILLUMINATION LIGHT - POWER DISTRIBUTION BOX ASSEMBLY)
a.

Disconnect the 10E power distribution box assembly connector.


b.

Disconnect the I29 center tray illumination light (instrument panel light assembly) connector.


c.

Disconnect the I30 cup holder light (console box pocket garnish) connector.


d.

Disconnect the I175 footwell light LH (No. 1 interior illumination light assembly) connector.


e.

Disconnect the I174 footwell light RH (No. 1 interior illumination light assembly) connector.


f.

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

Standard Resistance (w/o Footwell Light):
Tester Connection Condition Specified Condition
10E-48 - I29-2 (B) Always Below 1 Ω
10E-48 or I29-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I30-2 (B) Always Below 1 Ω
10E-48 or I30-2 (B) - Body ground Always 10 kΩ or higher
10E-37 - I29-1 (E) Always Below 1 Ω
10E-37 or I29-1 (E) - Body ground Always 10 kΩ or higher
10E-16 - I30-1 (E) Always Below 1 Ω
10E-16 or I30-1 (E) - Body ground Always 10 kΩ or higher


Standard Resistance (for GTMC Made with Footwell Light):
Tester Connection Condition Specified Condition
10E-48 - I29-2 (B) Always Below 1 Ω
10E-48 or I29-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I30-2 (B) Always Below 1 Ω
10E-48 or I30-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I175-2 (B) Always Below 1 Ω
10E-48 or I175-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I174-2 (B) Always Below 1 Ω
10E-48 or I174-2 (B) - Body ground Always 10 kΩ or higher
10E-37 - I29-1 (E) Always Below 1 Ω
10E-37 or I29-1 (E) - Body ground Always 10 kΩ or higher
10E-37 - I30-1 (E) Always Below 1 Ω
10E-37 or I30-1 (E) - Body ground Always 10 kΩ or higher
10E-37 - I175-1 (L) Always Below 1 Ω
10E-37 or I175-1 (L) - Body ground Always 10 kΩ or higher
10E-37 - I174-1 (L) Always Below 1 Ω
10E-37 or I174-1 (L) - Body ground Always 10 kΩ or higher


Standard Resistance (for TFTM Made with Footwell Light):
Tester Connection Condition Specified Condition
10E-48 - I29-2 (B) Always Below 1 Ω
10E-48 or I29-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I30-2 (B) Always Below 1 Ω
10E-48 or I30-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I175-2 (B) Always Below 1 Ω
10E-48 or I175-2 (B) - Body ground Always 10 kΩ or higher
10E-48 - I174-2 (B) Always Below 1 Ω
10E-48 or I174-2 (B) - Body ground Always 10 kΩ or higher
10E-37 - I29-1 (E) Always Below 1 Ω
10E-37 or I29-1 (E) - Body ground Always 10 kΩ or higher
10E-16 - I30-1 (E) Always Below 1 Ω
10E-16 or I30-1 (E) - Body ground Always 10 kΩ or higher
10E-37 - I175-1 (L) Always Below 1 Ω
10E-37 or I175-1 (L) - Body ground Always 10 kΩ or higher
10E-37 - I174-1 (L) Always Below 1 Ω
10E-37 or I174-1 (L) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

12.CHECK POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.CHECK POWER DISTRIBUTION BOX ASSEMBLY
a.

Disconnect the 10E power distribution box assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
10D-1 - 10E-48 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

13.INSPECT POWER DISTRIBUTION BOX ASSEMBLY

NG

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


13.INSPECT POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


b.

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

Standard Resistance (w/o Footwell Light):
Tester Connection Condition Specified Condition
10E-16 - MB-16 (FSPT) Always Below 1 Ω
10E-37 - MB-16 (FSPT) Always Below 1 Ω


Standard Resistance (for GTMC Made with Footwell Light):
Tester Connection Condition Specified Condition
10E-16 - MB-16 (FSPT) Always Below 1 Ω


Standard Resistance (for TFTM Made with Footwell Light):
Tester Connection Condition Specified Condition
10E-16 - MB-16 (FSPT) Always Below 1 Ω
10E-37 - MB-16 (FSPT) Always Below 1 Ω



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 POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL